Cassia fistula Linnaeus, Sp. Pl. (1753) 377; Koorders & Valeton, Bijdr. Booms. Java 2 (1895) 11; Koorders, Atlas 1 (1913) t. 39; Prain, J. As. Soc. Beng. 66, ii (1897) 156; Merrill, Philipp. J. Sc., Bot., 5 (1910) 47; Ridley, Fl. Malay Penins. 1 (1922) 620; Corner, Wayside Trees (1940) 386; de Wit, Webbia 11 (1956) 207; Backer & Bakhuizen van den Brink f., Fl. Java 1 (1964) 536; Hô, Ill. Fl. Vietnam, ed. 2, 1 (1970) 825, f. 2083; Verdcourt, Manual New Guinea Leg., Lae Bot. Bull. (1979) 41; K. & S.S. Larsen in Fl. Camb., Laos & Vietn. 18 (1980) 79, pl. 14/1-4; Irwin & Barneby, Mem. N.Y. Bot. Gard. 35 (1982) 14, f. 2; K. & S.S. Larsen in Fl. Thail. 4 (1984) 103, pl. III/4; f. 26/1-4; Rudd in Fl. Ceylon 7 (1991) 62; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 557.
Type (Irwin & Barneby 1982; see Taxon 43 (1994) 273): Herb. Hermann vol. 2: 29 (BM).