Please help to ID this Palm

It grows very fast, the palm is 9 years old and it is about 6 m high, the berries are red, about the size of a large pea, I am including three pictures.
Thanks in advance

 

If you post this photo at the IPS (International Palm Society) forum, I bet they can ID it for you.

 

Thank you I will look for their webiste

 

It would seem to be Roystonea, either elata or regia. In certain circles it would seem that the two species are now one.
This from GW;
To answer your question as to the differences between Florida Royal Palm (Roystonea elata) and the Cuban Royal Palm (Roystonea regia), technically there isn't one any longer. They are now considered to be the same species. Roystonea regia was thought to be more drought tolerant because it's native to rocky parts of Cuba where the water tends to run off. Where as Roystonea elata is found in swampy areas of South Florida so was considered to not have the same drought tolerance of R. regia.



Cheers, LPN.

 

When I first saw that palm I also thought it could be a Roystonea, but when I saw the red berries then I thought i was a different palm since the Roystonea I have do not have red berries.
Thank you very much LPN
Cheers!!

 

I'm under the impression the fruit can be red at a certian stage of ripeness. Fully ripe fruit/drupe are a darker color (dark purple).

Cheers, LPN.

P.S. Any luck with a possitive ID from the IPS yet?

 

I got two replies at the IPS forum and both assure it is a Archontophoenix alexandrae.
Since I know nothing about palms and the pictures I saw at the Fairchild Tropical Gardens do match my palm.
Thank you LPN

 

Archontophoenix alexandrae ... it was a consideration of mine initially. I suppose tilting my head 90 degrees to see the pic properly, was what put me off. The IPS guys know this stuff standing on their heads. Glad you got to the "bottom" of it.

Cheers, LPN.

right side up and resized

 

Just came across this for curiousity sake ... two varieties of A. alexandrae.

Archontophoenix alexandrae var. beatricea
... has more bulging trunk at the base than does the type. The rings near the base are enlarged to the point that they resemble steps, and the leaves are also slightly more erect from the apex of the trunk.

Archontophoenix alexandrae var. kuranda
... has a thicker trunk and a longer, taller crownshaft than does the type.

Cheers, LPN.