Pleodendron macranthum (Baill.) v. Tiegh.

Pleodendron macranthum (Baill.) v. Tiegh.. Pleodendron macranthum (chupacallos) is a rare species of tree in the family Canellaceae. It is endemic to Puerto Rico, where there are only three tiny populations remaining. Two individual plants are located in El Yunque and 8 to 10 plants remain in Río Abajo State Forest. This tree is a federally listed endangered species of the United States.