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Difference between Washingtonia Filifera and Robusta. In particular young plants.

Estelle51
Estelle51
in COLD HARDY PALMS

Featured Replies

Although I lived in southern California for 12 years, I never had much time for the garden. We have a home in southern Spain and we have a number of young palms, all fan palms. Initial I thought that they were Robusta, but I am having my doubts now. The plants are self planted and in the region of 5.5 years old. What gives me doubts of my Initial idea of being Robusta, is the trunk for the age seems big for a Robusta. Also the fan elements are straight and stiff. I will add a picture. Any thoughts from those with more knowledge than myself.

17873115484626617882506189955928.jpg

17873116047508325368779188417704.jpg

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    • Upvote 1

    Yours lean filifera, given the leaf color, density of leaves in the crown, and the crease forming in the apex of the leaf.

    @jwitt has probably the best eye for distinguishing each. He travels quite a bit about the colder geographic limits of the species in the US.

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    • Like 2
    • Author

    Thank you Sean.

    Looks to be a fat trunked hybrid, with some strong filifera traits. Leaves are not quite divided enough, but do have some minor split ends. Nice palms!

    Major splits on 13 year old filiferaIMG_20260630_105730974 (4) (1).jpg

    14 month old also showing up. That is the fourth leaf after the strap leaf. IMG_20260807_183548438 (2).jpg

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    • Like 1
    • Author

    Thank you.

    • Like 1

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