Begonia obliqua

Begonia obliqua is the type species of the genus "Begonia" and the species to which Plumier first gave the name "Begonia". It is native to Martinique, Dominica, and Guadeloupe.
The name has been misapplied to "Begonia grandis" by Thunberg, to "Begonia minor" by L'Héritier, and to "Begonia fischeri" by Vellozo.