Senna occidentalis Senna occidentalis Link in Handb. 2: 140. 1831≡Cassia occidentalis L., Sp. Pl.: 377. 1753Unknown type category: Herb. Linn. 528.13=Cassia occidentalis var. (β) aristata Collad., Hist. Nat. Med. Casses: 108. 1816Type: Badier s.n. (P)