- senega - dried root of two plants of the genus Polygala containing an irritating saponin
--1 is a kind of root
--1 is a part ofSeneca snakeroot, Seneka snakeroot, senga root, senega root, senega snakeroot, Polygala senega; senega, Polygala alba - senega, Polygala alba - perennial bushy herb of Central and southern United States having white flowers with green centers and often purple crest; similar to Seneca snakeroot
--2 is a kind of milkwort
--2 has parts: senega - senega, Polygala alba - perennial bushy herb of Central and southern United States having white flowers with green centers and often purple crest; similar to Seneca snakeroot