Cavanillesia platanifolia (Humb. & Bonpl.) Kunth, Nov. Gen. Sp. 5: 306 1823. (syn: Cavanillesia tuberculata (Mart.) Kostel.; Pourretia platanifolia Bonpl.; Pourretia tuberculata Mart.);
Quipo, cuipo; 

Peru, Costa Rica, Panama, Ecuador, Colombia (Antioquia, Bolívar, Cesar, Chocó,
Córdoba, Magdalena, San Andrés, Providencia y Santa Catalina, Santander)
as per Catalogue of Life;




Elephant Foot Tree. (mixed thread): 13 posts by 6 authors. Attachments (2)




Taken during Panama Canal construction:



Apologies in advance. One more. This is one of my favorite tree species:



I have gone back and look at the original photos again, and I am 99% certain that it is a Cavanillesia platanifolia. The buttressing by the base is also characteristic:

Your tree:
Cavanillesia growing in Puerto Rico: