Description from Flora of China
Morphological characters and geographic distribution are the same as those of the tribe.
Apart from Abrus precatorius, the species are not well defined, and one author (Breteler, Blumea 10: 607-624. 1960) has suggested a considerable reduction in the number of species recognized. See, however, Verdcourt (Kew Bull. 24: 235-252. 1970) who is followed here.