Senna siamea (Lamarck) Irwin & Barneby, Mem. N. Y. Bot. Gard. 35 (1982) 98; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 685.
Cassia siamea Lamarck, Encycl. Méth. Bot. 1 (1785) 648; Prain, J. As. Soc. Beng. 66, ii (1897) 163; Merrill, Philipp. J. Sc., Bot. 5 (1910) 51; Ridley, Fl. Malay Penins. 1 (1922) 617; Corner, Wayside Trees (1940) 390; de Wit, Webbia 11 (1956) 263; Backer & Bakhuizen van den Brink f., Fl. Java 1 (1964) 541; Hô, Ill. Fl. S. Viet-Nam, ed. 2, 1 (1970) 824, f. 2081; Verdcourt, Man. New Guin. Legumes (1979) 52; K. & S.S. Larsen in Fl. Camb., Laos & Vietn. 18 (1980) 87, pl. 15/3-4; in Fl. Thail. 4 (1984) 110, f. 27/3-4; Rudd in Fl. Ceylon 7 (1991) 71.
Type (Irwin & Barneby 1982): Commerson s. n. (P).
Cassia florida Vahl, Symb. Bot. 3 (1794) 57; Miquel, Fl. Ind. Bat. 1, 1 (1855) 98.
Type (Irwin & Barneby 1982): from India, in C.
Cassia sumatrana Roxburgh ex Hornem., Suppl. Hort. Bot. Hafn. (1819) 135; DC., Prodr. 2 (1825) 506.
Senna sumatrana (Roxburgh ex Hornem.) Roxburgh, Fl. Ind., ed. 2, 2 (1832) 347.
Type: extant?
Cassia arayatensis auct. non Llanos: Naves in Blanco, Fl. Filip., ed. 3 (1877-83) t. 426; Merrill, Sp. Blanc. (1918) 173.
Vernacular names
Johar [Sumatra]
Johar [Java]
Johor [Malay Peninsula]
Juah [Malay Peninsula]
Petai belalang [Malay Peninsula]
Khi lek ban [Thailand
Khi lek yai [Thailand]
Phak chili [Thailand]
Thailand shower [English]
Kassod tree [English]
Thai copper pod [English]