Senna obtusifolia (L.) H.S. Irwin & Barneby, Mem. New York Bot. Gard. 35: 252. 1982 sec. Irwin & Barneby 1982
- ≡Cassia obtusifolia L., Sp. Pl. 1: 377. 1753 syn. sec. Irwin & Barneby 1982
- ≡Cassia tora var. obtusifolia (L.) Haines, Bot. Bihar Orissa: 304. 1922 syn. sec. Irwin & Barneby 1982
- =Cassia tora L., Sp. Pl. 1: 376. 1753 syn. sec. Irwin & Barneby 1982
- =Cassia toroides Roxb., Med. Bot.: 96. 1828 syn. sec. Irwin & Barneby 1982
- =Senna toroides Roxb., Fl. Ind. (Roxburgh) 2: 341. 1832 syn. sec. Irwin & Barneby 1982
- =Cassia humilis Collad., Hist. Nat. Méd. Casses 96. 1816 syn. sec. Irwin & Barneby 1982