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Pictures of actual palm seeds and palm tree fruits
by Phil Bergman


Description of Article

This article discusses fruits formed on palm trees and the seeds contained within the fruit with special emphasis on how to tell if seeds are mature and capable of germination. 


Like most other types of trees, palm trees mainly propagate by the production of seeds.  This does not mean that one cannot propagate a palm by other means, but in nature the main technique for survival of the species is through the production of seeds.  Seeds are produced by flowers or inflorescences.  These flowers may be: either both sexes on the same plant or just one sex with male and female trees.  Seeds develop on these flowers and, when mature, typically fall to the ground and are ready or near-ready for germination.  I am writing this article to help the reader recognize palm seeds, appreciate the diversity in colors and shapes of seeds and to know when seeds are mature and ready for collection and germination.


  • What is a palm flower?

  • Do palm trees die after they flower?

  • What is a palm fruit?

  • What is a palm seed and how it differs from the fruit?

  • How do I tell when seeds are ripe and ready to harvest?

  • What unusual palm seeds are there?

  • How to tell if palm seeds are good and will germinate

  • Are any palm seeds edible?



On the Internet, you will find very little written about the flowers of palm trees.  This is understandable, but a bit peculiar as the palm's flowers are one of the most important structures by which taxonomists name a species.  Herbariums throughout the world are filled with flower stalks of almost all known species.  But, apart from textbooks, little is on the Internet on palm flowers.  Flowers, or inflorescences, are borne from the trunk of the tree, typically located below the canopy of leaves.  Sometimes the flower spike (spadix) can emerge in an interfoliar location among the leaves.  With the genus Corypha, the flowers protrude far above the crown of leaves with a spectacular display.  The Corypha flowers are probably the largest flowers in the Plant Kingdom.  Most flowers talks are branched although some are simple and linear.  These emerge within a sheath which is called the spathe.  As development progresses, these spathes may remain attached or fall to the ground leaving the flower behind on the tree.  The seeds that are formed actually develop while attached to the stems of the flower. 

As in most species of living things, there are male and females.  This applies to the flowers of palm trees as well.  Pollen must be transferred from a male flower to a receptive female flower in order to produce fertile seeds.  This is usually accomplished by insects or wind.  But, there's one more thing you must understand about seed production.  This is that, among the world of palms, sexual characteristics different.  All are not the same.  Three are three types of flowers that can occur with palms:
1.  Hermaphroditic flowers:  Each flower has both male and female flowers parts on the same flower
2.  Monoecious species:  A palm species that has both male and female flowers on the same tree.  This can occur in two ways.  Individual flowers can be found on the same main inflorescence or, on the same plant, there are separate male and female flowers close together.
3.  Dioecious:  Any individual tree of this type will either be a male or female and only make flowers of that sex.  Pollen must travel from the male tree to the female tree to pollinate the female flowers.  Without this, no seeds will occur.

All three of these flower types apply to palms.  You can see how critical it is that insects or wind disperses the pollen, even if flowers are in close proximity.  Also, this means that, if you want to produce seeds of a dioecious species, you must have both a male and a female plant.  Examples of dioecious species include all Chamaedorea, Ravenea, Bismarckia and Phoenix.

Below are some photos of palm flowers or flower spikes.

Bismarckia nobilis flower
Bismarckia nobilis female flower among the leaves
Howea forsteriana flower spikes
Howea forsteriana, multiple flower spikes
emerging among the lower leaves
Hyophorbe lagenicaulis flower
Hyophorbe lagenicaulis flowers below
the crown shaft with new ones coming above
Corypha species, old flower
Spent flower of a Corypha species showing
how the flower emerges above the crown
Archontophoenix cunninghamiana flowerrs
King palm flowers below the crown shaft
Phoenix canariensis flower
Note how flowers of this Phoenix canariensis
are among the leaves of the crown, not below.
Chambeyronia macrocarpa seeds 
Chambeyronia macrocarpa with flowers in three
stages.  To the left is a new flower, to the right
a flower with tiny seeds and larger yet green seeds
are seen on the blossom in the middle
Burretiokentia hapala blossom
Burretiokentia hapala with a newer flower above an
older flower that is just forming seeds.
Chamaedorea benzei male flower
Chamaedorea benzei, male flower (see next photo) 
Chamaedorea benzei female flower
Chamaedorea benzei, female flower with seeds just
forming and far from maturity.  Compare with the
more heavily branched male flower, last photo.
Burretiokentia vielierardii young blossom emerging
Newly forming flower spathe on Burretiokentia
flower spathes on a pritchardia species
Emerging flower spathes on a Pritchardia species  
Burretiokentia koghiensis flowers
Interesting flowers without seeds of Burretiokentia
Beccariophoenix madagascarensis flower spathe by JS
Emerging flower spathe on Beccariophoenix
madagascarensis, photo by JS
Prestoaea montana flower
A large and full blossom of Prestoea montana


Most species of palm trees will produce flowers and seeds and do this on a yearly basis.  The time it takes for flowering and seed production is variable, but is usually about five years or more from the juvenile age to occur.  In more tropical areas where growth is faster, flowering occurs in less time.  With larger species, the trees are usually large enough so the blossoms are well above the ground, perhaps protecting flowers from consumption by animals.  Palms can produce multiple flowers at once or just produce a single flower. 

There are a number of genera of palms that do not flower until the end of their lives.  These are referred to as monocarpic species.  The definition of "monocarpic" is that the plant flowers only once and then dies.  This definition may be expanded to include that the plant dies once flowering is complete.  In other words, some species put out a series of flowers and when these are complete, the plant dies.  Death refers to the loss of that stem or trunk.  If a plant has multiple trunks (suckering species), only the trunk that flowered will die.  Realize the difference between this phenomena and that seen with species that produce flowers perpetually.

Examples of palm genera that are monocarpic includes Arenga, Caryota, Corypha, a few species of Daemonorrops, some Metroxylon, Tahina, and Wallichia.  With Arenga and Caryota, there are suckering species where only the flowering stem will die after flowering.  Caryotas are an interesting genus.  Single stem species such as Caryota urens and gigas grow to their mature height.  Suddenly one day one might notice the browning of multiple lower leaves in rapid succession.  This progresses up the trunk, consuming the green color of as many as four green leaves.  After this a blossom appears way at the top of the trunk.  My feeling is the plant is stealing nutrition (chlorophyll) from the lower leaves in order to make the blossoms.  The palms then produces as series of blossoms over several years, each new blossom(s) below the last.  This proceeds down the trunk.  When blossoming is occurring near the lower trunk, the palm finally dies.  Below are some pictures of monocarpic species.

Caryota rumphiana seeds
Caryota rumphiana in blossom.  Note how the
flowers are progressing down the trunk with the
newest flowers closer to the ground.

Caryota urens in blossom.  Notice flowers at
multiple levels on the trunk.
Caryota urens blossom
Caryota urens blossom
Arenga engleri in blossom
Arenga engleri in blossom.  Flowering stems will die.
Arenga engler in fruit
Fruit on a stem of Arenga engleri
Corypha elata
When this Corypha elata flowers, it will soon
decline and perish.


In nature, trees produce seeds for propagation of the species.  Almost always there is some type of protective coating around the seed.  This coating may be hard and woody or soft and fleshy.  Palm tree fruits are of both types.  Formal botanical nomenclature used to describe palm seeds is below.  Note there are four layers to the "seed":

Epicarp: The outermost, thin layer of tissue surrounding the seed.  It's like an outer "skin" and is often colored
Mesocarp:  The next layer in, thicker, fleshy and what most would consider the 'fruit" of the seed.  Is is usually colored as well.
Endocarp:  The firm tissue layer found inside the fruity layer and surrounding the inner seed, protecting it.  It is protection for the inner endosperm and is usually brown, tan or some earth type color.
Endosperm:  The name for the substance of the inner seed just inside the endocarp.  It is a cellulose type material that provides food for the germinating and growing embryo or seedling.  This is usually the largest and thickest layer of the palm seed and typically white.  This is usually the largest and thickest layer of the palm seed and typically white or an off-white in color.  It should not be foul smelling, dark colored or have cavities in a healthy seed.
Embryo:  The genetic beginnings of the future offspring and located within the endosperm, often at one end of the seed.
The majority of fruit from palm trees (mesocarp) is the fleshy type.  The thickness of this fruity later may be a sixteen of an inch thick.  Or, it may be an inch or two thick.  It contains water and keeps the seed from desiccating.  Also, it is often fragrant (to animals) or has a brightly colored epicarp (which you see when looking at the fruit) .  This promotes consumption of the fruit by animals and defecation of the now cleaned seed.  This also provides seeds dispersion away from the seed producing parent tree. 

The fruit of palms can be various colors.  One commonly sees fruits that are black, brown, orange, pink, red or sometimes purple.  Young palm tree seeds are green but near maturity develop their native fruit color.  The seeds inside the fruit also have a native color.  Palm tree seed color is usually tan, brown, black or other earth tones.  They are never as bright and colorful as the seeds.  The inner flesh of the seed (endosperm) is a very light color, usually white or tan.  In this area you will find the embryo of the seed.

Below are pictures to show the difference between the outer fruity layer of the seed and the inner actual seed.

Butia capitata seeds ripe
Butia capitata showing its edible outer yellow fruit 
Caryota urens fruit
Caryota  urens fruit, brown in color.  Darker colored
seed is inside and would be seen with cleaning. 
small seed removed from fruit
Example of a palm seed with fruit removed but
resting adjacent to the seed.  This fruit is almost black.
Attalea seeds
Attalea seeds, uncleaned, with hard woody coating
Parajubaea sunkha seed
Seed of Parajubaea sunkha, cleaned of fruit and
brown in color.
cleaned palm seeds for germination
Germination bench with community pots of cleaned
palm seeds awaiting germination
Veitchia montgomeryana seeds
Seeds of Veitchia montgomeryana with fruit attached.
Note how colorful this red fruit is.  Seed inside is brown.
Raphia seeds from MSU.EDU website
Raphia seeds from MSU.edu website.  Note the scaly
ruittcoat that is still on the seeds.coat that is still on the seeds.
Caryota maxima seeds TS at RPS
Caryota maxima (himilaya) clean seeds by TS at RPS


After an inflorescence has been pollinated, smaller individual flowers on that structure will close or fall away and a small seed embryo forms and begins development.  At this very early stage, tiny seeds can be seen and they are usually white, a light tan or green in color.  As the seeds on the flowers mature over time, their size increases but also the color of the seeds will change.  These extremely young but undeveloped seeds eventually become a green color.  Only with time will they develop their mature color, whatever it may be.  These young green seeds are essentially not able to germinate, so collecting such seeds would be pointless.  Maturity on the tree must occur.  And, remember that any individual flowers on the flower stalk must be pollinated to produce viable seeds.  Sometimes "duds" (infertile seeds) are produced without pollination.  These can appear good but will fool you.  Such duds are typically smaller in size, have peculiar shapes and many times don't develop the expected mature color.  Often they abort early. 

carpoxylon macrosperma
Blossom of Carpoxylon macrosperma showing very
immature fruit
Pinanga casea seeds
Pinanga casea with tiny immature fruits
Areca vestiaria seeds
Very immature fruit on Areca vestiaria


Maturation of the seeds on a palm flower can take anywhere from three months to twelve months or longer.  Some species requires many years for full development of the seeds.  But, with most genera of palms, the seeds will develop and fall to the ground before the next flowering season.  Such plants go on a yearly cycle but some years may not throw flowers.  As mentioned above, very immature seeds are light colored or green.  As they increase in size, they will maintain the green color.  Very young green seeds are soft and do not have a well developed embryo or seed inside.  With age, this seed enlarges and becomes hard.  If you firmly pinch a green seed, most likely it will collapse or "pop".  If this occurs, you know you have an immature or nonviable seed.  But, if you harvest green seeds near maturity, they may be firm and not collapse on pinching.  But, it's better to wait for the color to change.     

This green color of the seed will persist until the seed is a mature size.  An experienced seedsman does not collect green seeds.  Green seeds tend to either not germinate at all or have a very low germination rate.  They often rot before any germination occurs.  One should only collect seeds that are a full, mature size (from experience) and not green in color.  The important thing here is that green seeds may be mature size but are still not fully developed.  You wait until the color turns.  Mature seeds are usually black, brown, yellow, orange, red or occasionally purple in color.  Below are photographs of green seeds that are not ready to be harvested.  I have found that the number one mistake by novices is the collection of green seeds.  Although a hard "normal appearing seed" may be inside of green fruit, lack of development leads to poor germination results.

Chamaedorea tepejilote immature seeds
Chamaedorea tepejilote immature seeds
Howea forsteriana seeds all colors
Howea forsteriana seeds, various stages.  The
bottom red seeds are ready to be harvested, but not
the green seeds above..
Dypsis affinis seeds
Dypsis affinis immature seeds.  Note the immatureimmature seeds.  Note the immature
seeds are a faint yellow.  They will turn green and
then get red.
Archontophoenix purpurea seeds
Archontophoenix purpurea, one red seed is
evident but the rest are immature. 
Areca ipot immature seeds
Areca ipot, immature seeds 
Orbignia martiana
Orbignya (Attalea) martiana, immature
green seeds
Pritchardia macdanielsii seeds immature
Pritchardia macdanielsii immature seeds
Actinokentia divaricata
Actinokentia divaricata, immature
Burretiokentia viellardii
Burretiokentia vieillardii with seedless blossoms
as well as seeds that are not quite mature
Brahea edulis immature seeds
Brahea edulis immature seeds 
Wodyetia bifurcata immature seeds
Wodyetia bifurcata, immature seeds 
Pritchardia gaudichaudi immature seeds
Pritchardia gaudichaudi immature seeds 
Latania loddigesii immature seeds
Latania loddigesii immature seeds 
Pritchardia macrocarpa immature seeds
Pritchardia macrocapra immature fruit 
Trithrinax acanthicoma immature fruit
Trithrinax acanthicoma immature fruit.  These
seeds will turn yellow in color.
Brahea sarrukhanii
Baja sarrukhanii fruit, not quite yet mature 
Chamaedorea benzei immature green seeds
Chamaedorea benzei immature green seeds.  The
smallest seeds will probably not ever develop.
Phoenix dactylifera fruit
Phoenix dactylifera, the True Date Palm, with
near mature fruit
Areca catechu seeds
Areca catechu seeds lacking mature color 
Chamaedorea arenbergiana seeds
Green seeds of Chamaedorea arenbergiana 
Chamaedorea sullivanorianum seeds
Immature green seeds of the extremely rare palm,
Chamaedorea sullivanorianum
Euterpe edulis seeds
Green seeds Euterpe edulis 
Hedyscepe canterburyana seeds
Hedyscepe canterburyana, immature green seeds 
Chamaedorea tenella seeds
Chamaedorea tenella with its very small green seeds. 
These will darken and turn black with age.
Pritchardia species dwarf seeds
close up photo of green seeds of unknown Pritchardia
Hyophorbe lagenicaulis seeds
Seeds of Hyophorbe lagenicaulis, the Bottle Palm, but
no seeds here are totally mature
Pritchardia hildebrandtii seeds
Immature seeds of blue Pritchardia hillebrandii 
Syagrus amara seeds
Green seeds of Syagrus amara 
Jubaea chilensis green seeds
Green seeds on Jubaea chilensis.  These will turn yellow.
Ptychosperma ledermanniana seeds
Immature seeds of Synecanthus fibrosa 
Hyphanae crinita green seeds
Green immature seeds of Hyphanae crinita
Hyphanae turbinata
More developed but still not mature seeds of
Hyphanae turbinata.  Seeds will turn black.


Remember that palm enthusiasts use the words "seeds" and "fruit" interchangeably.  Strictly speaking, you either harvest from the tree or pick up off the ground the 'fruit" and the seed is contained inside the fruit.  The seed consists of a nutritional material called endosperm and a small embryo.  The thickness, density and color of this outer fruit is widely variable.  It is often very decorative.  Colors range from tan or yellow when mature to orange, dark red, purple, brown or black.  Green seeds will develop these colors slowly over time.  It is proposed that these colors attract the attention of animals or birds who consume the seed or eat the fruit.  This implies that such an animal will transfer or pass the seed in another location, helping to promote the survival of the species.  However, not all seeds are edible by humans.

The thickness of the fruity layer is variable and can be quite thin like with Howea or Rhopalostylis or very thick as with Coconuts or BorassusIt is felt that this fruity layer may contain growth retardants preventing germination of the seed within.  Interior seed shape is also quite variable; from spindle or oblong to round to bizarre shapes with flanges.  Mature seeds, when cleaned, almost never pinch between the fingers and also sink in water. 

Below are photographs of mature fruit that will soon fall to the ground or could be harvested.

Carpentaria acuminata
Carpentaria acuminata, mature fruitt 
Areca alicae
Areca alicae 
Arenga porphyrocarpa seeds
Arenga porphyrocarpa with mature fruit 
Chambeyronia macrocarpa seeds
Chambeyronia macrocarpa seeds just maturing but
not quite ready
Archontophoenix purpurea
Archontophoenix purpurea, some mature on the
left with green seeds to the right
Chamaedorea microspadix mature fruit
Chamaedorea microspadix mature fruit 
Chamaedorea microspadix seeds red
Close up C. microspaqdix seeds 
Sabal minor fruit black
Sabal minor, mature fruit 
Licuala grandis fruit
Licuala grandis with both red mature fruit and
immature light yellow fruit.
Queen Palm, mature fruit on left side
Queen Palm, mature fruit left, immature right 
Queen Palm fruit
Close up view of Queen Palm fruit, mature seeds
on left, green seeds on right
Euterpe edulis seeds
Euterpe edulis seeds, mature and black-purple color 
Phoenix rupicola, near mature fruit
Phoenix rupicola fruit, not quite mature 
Licuala grandis mature fruit
Licuala grandis mature red fruit below, with
green seeds above.
Areca vestiaria seeds
mature Areca vestiaria seeds  
Chambeyronia macrocarpa watermelon seeds
These tempting seeds are on a Chambeyronia macrocarpa
watermelon form.  But, although turning color, theyy

are not mature and you should wait a month or so.are not mature and you should wait a month or so.
Chambeyronia macrocarpa
Here's what mature Chambeyronia macrocarpa seeds
should look like. 
Livistona saribus blue seeds
Ripe seeds of Livistona saribus collected off the
ground.  Note the interesting and rare blue color
to the seeds.
Phoenix dactylifera maturing seeds
Phoenix dactylifera, the True Date Palm, with seeds
that are not quite mature.  Edible fruits need to be
fully developed to taste good.
Pinanga mailaiana seeds
Pinanga mailaianaaseeds, very young next toseeds, very young next to
black mature seeds
Livistona muelleri seeds
Livistona muelleri with its very colorful flowers
loaded with pink-red seeds.  Very decorative.
Pritchardia sp. seeds
Pritchardia species, mature seeds 
Ravenea monticola seeds
This is a photo of "dud" seeds of Ravenea
madagascarensis var. monticola.
  These seeds are
undersized but look great.  There was no male plant in
the vicinity of this female and they proved not to be
Acrocomia species seeds on the flowrs
Almost mature seeds of Acrocomia species 
Archontophoenix purpurea
Archontophoenix purpurea with dark, mature seeds
and showing its purple crown shaft
parajubaea cocoides seeds
Mature seeds of Parajubaea cocoides 
Phoenix dactylifera young female blossom
Mature or near mature seeds of Phoenix dactylifera




Recall that I mentioned above that germinators feel there are growth retardants in the fruit that prevent germination.  Also, fruit has more of a tendency to rot and attract fungus.  So, cleaning off the fruit is imperative.  This can be accomplished by animals but is probably going to be the responsibility of the person collecting seeds with fruit on them.  This should be done immediately after acquisition of the seeds.  Do not store seeds for a prolonged period with the fruit on them.  You'll get rot problems for sure.  Remember to wear gloves when doing this as some fruits will irritate the skin.  Allow the seeds to dry before bagging or storing them.  Or, better yet, pot them up immediately unless you've heard they need an "after-ripening" period.  The newer the seeds and the more recently they came off the tree, the better the germination rates in general.

Below are some pictures of seeds both with their fruit on and cleaned of their fruit.   


Jubaea chilensis fruit
Jubaea chilensis fruit, seeds inside, see next photo
Jubaea chilensis cleane seeds
Jubaea chilensis cleaned seeds
Jubaea chilensis blue seeds
Blue Jubaea chilensis seeds
Wallichia disticha
Wallichia disticha with no fruit
Archontophoenix purpurea seeds
Archontophoenix purpurea cleaned seeds
Borassus seed on ground
Huge Borassus seeds on the ground, yet to be cleaned
Assorted Latania seeds
Assorted Latania seeds, all cleaned of fruit
Salaca edulis fruit going to market
Salacca edulis fruit, edible, on way to the market. 
Because these are to be consumed, the fruit is left
on for eating
Orbignya cohune seeds on ground
Orbignya (Attalea) cohune seeds than spontaneously
dropped on old leaves below the tree.  Hard fruit is
still attached even though they look "clean"..
Orbignya martiana seeds
Orbignya martiana (Attalea) that appear to be clean
of fruit.  But, these seeds still have endocarp with
a hard, woody outer skin and need to be cleaned.
Hyphanae coriaceae seeds
It's the same with these seeds of Hyphanae
which have a woody bark around the
endosperm and still need to be cleaned.  Cleaning
these seeds is a lot of work.
Ptychococcos lepidota seed
This peculiarly shaped seed is a  Ptychococcos
and has been cleaned of fruit.  Note the
unusual flanges on the seed.


As mentioned above, nature was designed so mature seeds fall easily from the blossoms.  Wind or a gentle tap makes them drop to the ground.  Once this process completes, the remaining flower parts turn brown and dead appearing.  It will initially hold a little color but eventually turn brown and dry.  It may remain attached to the trunk for a while but will eventually just drop on its own to the ground.  Below are some photos of old, spent flower blossoms. 

Geonoma species spent blossom HJD
Spent blossom of Geonoma species, photo by HJD  
Cyphosperma balansae flower spikes reaching out from treer
Cyphosperma balansae with spent blossoms to
the right
Chamaedorea glaucifolia spent flower to right
Interesting photo of Chamaedorea glaucifolia with
blossoms in three different stages.  The blossom to the
lower right is brown, spent and will soon fall off.
Rhopalostylis sapida with fllower
Although still white in color, the flowers of this
Rhopalostylis sapida were not pollinated and
therefore this flower is spent and will fall soon to
the ground.
Burretiokentia hapala spent blossom
Compare this spent blossom of Burretiokentia
to the gorgeous Burretiokentia blossoms
above.  This one is dying and will fall off soon.
Archontophoenix cunninghamiana fllower spent
Old spent flower of King Palm




Pelagodoxa henryana

This almost extinct species is native to the Marquesas Islands with only about a dozen plants remaining in habitat.  There are male and female plants, complicating this species' survival.  Seeds are enormous, up to six inches in size and covered with a firm, woody and lobular surface.  They are very knobby and almost look like some kind of grenade.  Shown here are seeds on or from a domestic plant.  This is a tropical tree in terms of growth requirements.
pelagodoxa henryana seeds in clusters  Pelagodoxa henryana seeds 
Pelagodoxa henryana seeds  Pelagodoxa henryana seeds  Pelagodoxa henryana seeds 

Metroxylon amicorum

This is a tall pinnate palm from Micronesia.  It is most commonly known for its attractive, hard and prominently scaly seeds as shown here.  The reach sizes of up to four inches and are a source of vegetative ivory.  The endosperm of this species is carved and used in jewelry. 
Metoxylon amicarum seeds Metroxylon amicarum
Metroxylon amicarum by Bo Lundkvist
photo by friend Bo Lundkvist of seeds from his tree
in Hawaii

Cocos nucifera
The Coconut Palm

This extremely important palm from an economic point of view is found worldwide in tropical regions and produces large seeds that, as you know, are edible.  The fruits can reach a foot in length and are yellow or orange in color.  The thick fibrous husk must be removed to reveal the edible seed inside.  This is a species where the actual seed is eddble.  When you have "coconut" you're actually eating the seed inside the fruit. .  When you have "coconut" you're actually eating the seed inside the fruit.    
Cocos nucifera Wikipedia
Photo c/o Wikipedia 
Cocos nucifera by Rolf Kyburz, PACSOA
photo by Rolf Kyburz, PACSOA 
Cocos nucifera by Rolf Kyburz PACSOA
photo by Rolf Kyburz, PACSOA.  Figure if the
can eat the Coconut, so can we.
Cocos nucifera   

Attalea (Orbignya) seeds

When I first got into palms, Attalea and Orbignya were two different genera of palms.  Now they are combined into one genus.  There are about thirty different species of Attalea and all are New World, mostly from South America.  They tend to be medium to large trees and are known for their very large, hard and almost woody type of seeds as shown here and above.   
Attalea seeds
Attalea brejihoensis seeds
Attalea brejihoensis
 Attalea brejihoensis seed
Attalea species
Attalea species in fruit  

Wodyetia bifurcata
The Foxtail Palm

The species Wodyetia bifurcata is the only species within this genus.  It is native to Queensland, Australia and first recognized as a species about thirty years ago.  It has unusual seeds that are large, sometimes up to two inches, and prominently grooved with fibrous material.  The seeds are very interesting to feel and inspect.  They are brown-black in color as shown. 
Wodyetia seeds Wikipedia
Wodyetia bifurcata seeds, photo c/o Wikipedia  
Wodyetia bifurcata 

Borassus species

There are six species of Borassuss with habitats ranging from Africa, through Madagascar and Australia, up through Indonesia into Asia.  All are massive tropical fan palms with large trunks and very large seeds.  With the fruit attached, they can be six inches long.  The cleaned seeds are about four inches long and 3 inches wide that are flattened in shape.  The fruit is edible.   
Borassus seeds with fruit
Fruit attached, photo care off Wikipedia Commons 
Borassus seed c/o Wikipedia commons
Cleaned seeds, photo c/o Wikipedia Commons 
Borassus flabillifera     

Lodoicea maldivica

This is a monotypic genus and is known for having the largest seeds in the world.  This is a tall fan palm with a rather thin trunk and gets to eighty feet tall.  It is native to the Seychelle Islands.  This is a dioecious species and you need both sexes to make fruit.  Seed development on the female tree can take over five years.  Seeds can be over 20 inches wide and have a rough, brown surface.  Seeds are protected and unbelievably expensive to purchase.  Special permits are needed to get a viable seed.  It is often said that the seed should be germinated right into the spot it will occupy as opposed to germinating it in a large container.  And, it should be guarded and protected because it takes several years to germinate. 

There is much lore about the seeds, everything from spiritual importance to medicinal usages.  A seed can weight over forty pounds.  Comments are made by some that the shape resemble a lower female torso, looking from behind..
Lodoicea maldiica Wikipedia Commons
Lodoicea maldiica Wikipedia Commons
Lodoicea maldiica Wikipedia Commons
Immature fruit Lodoicea maldiica Wikipedia Commons
Lodoicea maldivica Lodoicea maldiica immature fruit
Immature fruit on female tree
Lodoicea maldiica
Young Lodoicea palm that was most likely
germinated in this location and is being protected
with a fence because of its rarity and value.



At the onset, if you are a novice and just like "to eat every fruit around", realize that you are living dangerously and, even with palms, are putting your health at risk.  Some palm seeds or fruits are poisonous.

I would like to reiterate that people often talk about "edible palm seeds".  You must distinguish between the actual outer layer of fruit and the inner hard seed that's inside the fruit When you read or hear that a seed is edible, people are almost always referring to the fruit, not the actual seed.  You'll hear about people making sweet jelly from the "Jelly Palm" (Butia capitata).  But, this is made solely from the fruit surrounding the seeds.  The seeds are discarded. So, be aware that there is probably little information on the consumption of the inner seed.  The only two species where I know the actual seeds are eaten are the Coconut and the Chilean Wine Palm.

There is also the question of "what tastes good" and "what you can eat and not get sick or die". The fruit of certain palms is known to have a pleasurable taste to some.  There are other species where local inhabitants have been known to eat the fruit and there are no reports of sickness or deaths.  I can't comment too much on this latter group.  But, I will list below the most common palm species that have fruit that is known to be edible and to some tastes good.  I will not deal with potential species that could be eaten (perhaps)

Areca catechu, the Beetle Nut Palm, fruit is a stimulant but also associated with health problems
Bactris gaisepes, the Peach Palm
Borassus species, Old World fan palm that is said to have tasty fruit
Butia capitata, the Jelly or Pindo Palm
Cocos nucifera, the Coconut Palm, the seed is the edible part we all know
Elaeis species, the Oil Palms, source for cooking oil
Euterpe oleracea, the Acai Palm, source for Acai Berry juice
Jubaea chilensis, the Chilean Wine Palm, sap used for wine making and actual seed is said to be edible
Phoenix dactylifera, the True Date Palm
Salacca species, edible fruit eaten in Indonesia and Asia
Serenoa repens, the Saw Palmetto.  Seeds (ground up) are used as a prostate medicine and thus edible

Photos of some species with edible fruit or seeds shown below.

Areca catechu golden form
Areca catechu, golden form, with fruits evident
Borassus aethiopium
Borassus aethiopium
Bactris gasipaes blossom
Blossom of Bactris gasipaes
Serenoa repens, blue form
Serenoa repens, desirable blue form
Cocos nucifera
Cocos nucifera, very tall Coconut Palms
Elaesis guineensis, the Oil Palm
Elaesis guineensis, a type of Oil Palm


If you were to cut a palm seed in half, it would show you the various layers to the seed as described above.  You would see the thin outer epicarp and just inside this the fruity layer of mesocarp.  If it were a clean seed, you'd only see the endocarp (outer layer of the cleaned seed) and the inner endosperm.  You may also see the small embryo embedded within the endocarp.

Endocarp is usually described as being of two types:  homogenous and ruminate.  Homogenous endocarp is more uniform in appearance.  It is usually white and looks like coconut meat.  Ruminate endocarp looks like ice cream with swirls of color mixed in.  The reason I mention this is because taxonomists use these types to distinguish different species of palm seeds. 

The appearance of the endocarp is critical.  Old or nonviable seeds may have discolored endocarp.  The inside of rotting seeds may be dark, black, powdery, dried out or display frankrot.  Bad seeds often float in water.float in water.  This is because bad seeds usually have a hollow cavity in the side making it buoyant.  One comes across such seeds by picking up old seeds off the ground and purchasing seeds that have been stored too long.  This is why freshly collected seeds off the flower have proven to be the best quality seeds. 

Things to check for to judge quality of seeds include:
1.  Weight in the hand:  If a seed feels very light and has no weight for its size, it probably is not good.
2.  Fresh and youthful appearance overall.  Old seeds look faded and dry
3.  Cut open a representative seed.  The endocarp should be white and meaty.  You should never see a large cavity within the seed.
4.  Float test the seeds.  Viable and high quality seeds almost always sink in waterr

Photos below show the inside of palm seeds.


Dypsis seed cut open
Cut open seed of Dypsis species.  Note there is no
cavity, the flesh is light colored.  This is a homogeneous type of seed and appears to be a good, viable seed.
Dypsis seed cut open
Close up view of the last seed

Dypsis onilahensis seed with cavity
This cut open seed of Dypsis onilahensis sows a
central empty cavity.  This appearance may mean that the seed will rot and is not viable.
Rotten seed cut open with cavity
This totally rotten seed has dark endocarp and a huge central cavity and is obviously a bad seed and will never germinate.
Jubaea chilensis seeds in germinating tray
These are seeds of Jubaea chilensis in a germinating tray but none have germinated so far.  But, in time, they will.  Note that the seeds are not black or rotten looking.
Syagrus vermicularis seeds
These Syagrus vermicularis seeds were removed from a germination tray.  Not the underside is dark from water stains, but the other half is normal color.  These seeds are still good, awaiting germination (hopefully)


There are approximately 3000 or more different species of palms and all have their own unique flowering characteristics and fruit.  Although biologists and palm enthusiasts the world over use the words "fruit" and "seed" interchangeably, there is a difference between the two.  The palm seed, which germinates and makes a plant, is located within the fruit with its protective coat.  When palm seeds are green, they are seldom ready for germination and have poor success rates.  One must wait for a palm seed to develop its mature size and color.  Mature palms seeds are quite colorful with colors of black, brown, pink, orange, yellow, or red.  They essentially are never green in color.  Good seeds are firm to pinching and usually sink when floated in water.  The outer fruit layer must be removed for proper germination. This outer fruit may contain growth inhibitors which prevent germination and the fruit may lead to rot of the seed.  All seeds develop on palm flowers and, once fruiting is complete, the palm flower drops to the ground over time.  Some species of palms die after flowering.  Some palm seeds are edible but one must always consult authorities or references before eating palm seeds.  Finally, there are some very bizarre and unusual palm seeds as described above.

Thank you for reading this article.  Feedback is always welcome.

Phil Bergman

Jungle Music Palms and Cycads 
450 Ocean View Ave., Encinitas, CA 92024
Phone: 619 291 4605
Email: phil@junglemusic.net



Ptychosperma sanderanum seeds on flowers
Ptychosperma sanderanum in fruit
Brahea armata flower
Brahea armata flower
Brahea armata in flower
Brahea armata in flower



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