What is "dendrocousinsia"

Dendrocousinsia is a plant genus of the family Euphorbiaceae first described as a genus in 1913. The entire genus is endemic to the Island of Jamaica.

1. Dendrocousinsia alpina Fawc. & Rendle 1919 - E Jamaica
2. Dendrocousinsia fasciculata Millsp. 1913 - NW Jamaica
3. Dendrocousinsia spicata Millsp. 1913 - SC Jamaica