- genus Senna - genus of shrubs and trees and herbs many of which are often classified as members of the genus Cassia
--1 is a kind of rosid dicot genus
--1 is a member of Caesalpinioideae, subfamily Caesalpinioideae
--1 has members:senna; wild senna, Senna marilandica, Cassia marilandica; sicklepod, Senna obtusifolia, Cassia tora