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Roystonea regia - Cuban Royal Palm

Roystonea regia - Cuban Royal Palm (Roystonea regia - Cuban Royal Palm)

Cuban Royal Palm at Downtown Disney.

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Please explain the colours on the tree trunk.
It looks a bit unusual. Thanks. :o)

9 Nov, 2008


I assume you mean the green just below the is called a palm crownshaft. It is an extension of the leaf (frond) petiole.

Many tropical feather-type palms have crownshafts. Roystonea (Royal Palms) species have one of the largest up to 2 meters.

9 Nov, 2008


I find that very interesting.
Maybe this has been on others of your photos, but not so obvious ?

9 Nov, 2008


Yes, actually many of the palms I've posted had crownshafts, however, some may not seem so prevalent.

9 Nov, 2008


Marguerite and Delonix1 ~
Thanks for your explanations. :o)

11 Nov, 2008



You are so right about the fronds crashing down. Roystonea fronds can weigh up to 65lbs and can kill someone standing or sitting underneath the tree.

The San Diego Zoo has 6 large Royal Palms (Roystonea regia) at the exit of the zoo. They're planted in huge raised planters in the ground, people sit under them all the time. They have put some type of thin cable connecting the lower fronds to the trees so if they fell...the fronds "should" never hit anyone. It still seems like a potential liability to me though.

11 Nov, 2008

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