Rauvolfia sandwicensis


Rauvolfia sandwicensis, the devil's-pepper, also known as hao in the Hawaiian language, is a species of flowering plant in the milkweed family, Apocynaceae, that is endemic to Hawaii. It is a shrub, a small tree reaching in height, or, rarely, a medium-sized tree up to tall with a trunk diameter of. Hao inhabits coastal mesic and mixed mesic forests at elevations of.