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MTY

USVI Palm guide - Washingtonia robusta?

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MTY

Hi all.  New member here from St. Croix in the US Virgin Islands.  I've identified at least 12 palm varieties in the condo grounds where I'm residing, and I'm putting together a guide/walking tour for folks here to learn about them.    But I need help!  This palm identification thing seems to only get more difficult the more I learn...

I'm going to post a few threads to help identify some that have confused me - any help is appreciated!  After, I'll post the full guide when I complete it.   Thanks in advance!

Are these Washingtonia Robusta/Mexican Fan Palms?  Are the first two photos a different variety than the last three?  I thought these were Sabal at first but there are varying degrees of toothy armature on the petioles. 

 

 

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JLM

First 2 pics looks like Filibusta to me, 3rd looks like Robusta maybe, and last 2 looks like Filifera. This is just what they look like to me, i may not be right.

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Fusca
1 hour ago, MTY said:

Are these Washingtonia Robusta/Mexican Fan Palms?  Are the first two photos a different variety than the last three?  I thought these were Sabal at first but there are varying degrees of toothy armature on the petioles. 

Hi, welcome to Palmtalk!  These palms to appear to be Washingtonias.  There is a lot of hybridizing between W. filifera and W. robusta so there are a lot of hybrid "filibusta" palms in the nursery trade and with them a lot of variation.  Pure robusta have a lot of purplish red color on the base of the leaf petioles, thin trunks, cottony fibers and glossy green leaves.  Pure filifera have zero purplish red color on the leaf petioles, thick trunks, lots of cottony fibers and dull grey/green leaves.  They tend to lose some of the armament on the petioles as the palm ages - sometimes tall palms appear to have almost no armament.  Robusta and filibusta both grow fast compared to filifera.  I agree mostly with @JLM's assessment but I think they are likely a mix of filibusta and robusta.

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