Senna hirsuta (Linnaeus) Irwin & Barneby var. puberula Irwin & Barneby, Mem. N. Y. Bot. Gard. 35 (1982) 429; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 680.
Type: Hassler 3598 (G holo; W), Paraguay.
Cassia longisiliqua Blanco, Fl. Filip. (1837) 338, non Linnaeus f.
Cassia sulcata Blanco, Fl. Filip., ed. 2 (1845) 236, non DC., substituted for the preceding.
Type (Irwin & Barneby 1982): no type survived, based on description and discussion.
Cassia leptocarpa Benth. var. hirsuta Benth., Trans. Linn. Soc. 27 (1871) 531; de Wit, Webbia 11 (1956) 251.
Cassia hirsuta auct. non Linnaeus: Chodat & Hassler, Bull. Herb. Boiss. 2, 4 (1904) 692; Merrill, Philipp. J. Sc., Bot. 5 (1910) 50.