Senna ripleyana (H.S. Irwin & Barneby) H.S. Irwin & Barneby Senna ripleyana (H.S. Irwin & Barneby) H.S. Irwin & Barneby, Phytologia 44(7): 500. 1979 sec. Irwin & Barneby 1982≡Cassia ripleyana H.S. Irwin & Barneby, Sida 6: 13 (-14), fig. 1975 syn. sec. Irwin & Barneby 1982