Senna obtusifolia

(redirected from Arsenic weed)
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Noun1.Senna obtusifolia - cosmopolitan tropical herb or subshrub with yellow flowers and slender curved pods; a weed; sometimes placed in genus Cassia
genus Senna - genus of shrubs and trees and herbs many of which are often classified as members of the genus Cassia
subshrub, suffrutex - low-growing woody shrub or perennial with woody base