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Help me identify what sex these Chamaedorea are please

Josh76
Josh76
in DISCUSSING PALM TREES WORLDWIDE

Featured Replies

Hi. I have three Chamaedorea flowering in my garden at the moment. Can anyone help me to identify what sex they are?

#1

C. microspadix

 

IMG_1534.jpeg

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    • Like 1
    • Author

    #2 C. radicalis

    IMG_1535.jpeg

    • Like 2
    • Author

    #3 C. pochutlensis

    IMG_1536.jpeg

    • Like 3

    Confident the C radicalis is female. Slightly confident the C microspadix is too. The C potchutlensis I’m not sure but it does look a bit like my C costaricana female inflorescences so maybe they’re all female. 

    Tim Brisbane

    Patterson Lakes, bayside Melbourne, Australia

    Rarely Frost

    2005 Minimum: 2.6C,  Maximum: 44C

    2005 Average: 17.2C, warmest on record.

    •
    • Like 4
    • Upvote 1

    The pochutlensis is a female

    • Like 1
    • Author

    Thanks! So I really need to find some pollen!

    • Like 1
    31 minutes ago, Josh76 said:

    Thanks! So I really need to find some pollen!

    Josh, I can't speak for the other two species since I don't grow them.  I have a hard time distinguishing between the two sexes in Chamaedorea but with radicalis I found that the inflorescence of the male is jam packed with flowers while the female inflorescence has more space between the flowers like on yours.  I assume that this allows the fruits to have room to expand.  And there seems to be multiple female plants for every male.

    Jon Sunder

    • Like 1
    1 hour ago, Fusca said:

    Josh, I can't speak for the other two species since I don't grow them.  I have a hard time distinguishing between the two sexes in Chamaedorea but with radicalis I found that the inflorescence of the male is jam packed with flowers while the female inflorescence has more space between the flowers like on yours.  I assume that this allows the fruits to have room to expand.  And there seems to be multiple female plants for every male.

    As a rule of thumb, this seems to be true for most Chamaedorea sp I’ve grown in terms of the more spaced out female flowers. On balance I’d say I have more male than female plants overall though. I’d be curious to know if a large study has been done to know the % of each sex. 

    Tim Brisbane

    Patterson Lakes, bayside Melbourne, Australia

    Rarely Frost

    2005 Minimum: 2.6C,  Maximum: 44C

    2005 Average: 17.2C, warmest on record.

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    • Like 2
    • Upvote 2

    First you should ask which pronoun they prefer and which gender they identify as. Get with the times kiddo

    Peachy (Cisgender female)

    I came. I saw. I purchased

     

     

    27.35 south.

    Warm subtropical, with occasional frosts.

    • Like 3
    • Upvote 2
    56 minutes ago, peachy said:

    First you should ask which pronoun they prefer and which gender they identify as. Get with the times kiddo

    Peachy (Cisgender female)

    🤣

    Jon Sunder

    I think the microspadix is male. They should open up and drop pollen everywhere.

    The radicalus looks female, but you may need to wait a bit to see.

    The third one is female.

     

    • Like 2
    20 hours ago, Fusca said:

     I have a hard time distinguishing between the two sexes in Chamaedorea but with radicalis I found that the inflorescence of the male is jam packed with flowers while the female inflorescence has more space between the flowers like on yours.  I assume that this allows the fruits to have room to expand.  

    This is exactly what @Darold Petty told me about my C. costaricana

    SF, CA

    USDA zone 10a / Sunset zone 17

    Summer avg. high 67°F / 20°C (SF record high 106°F / 41°C)

    Winter avg. low 43°F / 7°C (SF record low 27°F / -3°C)

    480’ / 146m elevation, 2.8 miles / 4.5km from ocean

    • Like 1
    • Upvote 1
    On 6/9/2025 at 1:32 PM, Josh76 said:

    Hi. I have three Chamaedorea flowering in my garden at the moment. Can anyone help me to identify what sex they are?

    #1

    C. microspadix

     

    IMG_1534.jpeg

    Male

    • Like 2
    On 6/9/2025 at 1:34 PM, Josh76 said:

    #2 C. radicalis

    IMG_1535.jpeg

    Female

    • Like 2
    3 hours ago, Foggy Paul said:

    This is exactly what @Darold Petty told me about my C. costaricana

    That's a nice compliment!  Darold is a great palm grower!  :)

    Jon Sunder

    • 10 months later...
    On 6/9/2025 at 6:31 PM, peachy said:

    First you should ask which pronoun they prefer and which gender they identify as. Get with the times kiddo

    Peachy (Cisgender female)

    Sorry for bringing back an old thread whilst doing research but I could not help but lol at this 🤣

    Palms - 1 Bismarckia nobilis, 2 Butia odorata, 1 BxJ, 3 BxS, 1 Chamaerops humilis, 1 Chamaedorea cataractarum, 1 Chamaedorea elegans, 1 Chamaedorea microspadix, 1 Chamaedorea radicalis, 1 Hyophorbe verschaffeltii, 1 Livistona chinensis, 1 Livistona nitida, 1 Phoenix canariensis, 2 Phoenix roebelenii, 1 Ravenea rivularis, 1 Rhapis excelsa, 1 Sabal bermudana, 4 Sabal palmetto, 1 Sabal minor, 3 Syagrus romanzoffiana, 3 Trachycarpus fortunei, 4 Washingtonia robusta
    Total: 36

    37 minutes ago, JLM said:

    Sorry for bringing back an old thread whilst doing research but I could not help but lol at this 🤣

    Oh I have met peachy in person and her wit and humour is as sharp as tack and spot on, you won’t fool her in a hurry! 

    • Like 3

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