Caesalpinia sumatrana Roxburgh (Hort. Beng. (1814) 32, nom. nud.), Fl. Ind., ed. Carey, 2 (1832) 366; Hattink, Reinwardtia 9 (1974) 55, f. 4/20; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 553.
Mezoneuron sumatranum (Roxburgh) Wight & Arn. ex Miquel, Fl. Ind. Bat. 1, 1 (1855) 105, and (1858) 1081; ibid., Suppl. (1860) 108; Backer & Bakhuizen van den Brink f., Fl. Java 1 (1964) 546; Verdcourt, Manual New Guinea Leg., Lae Bot. Bull. 11 (1979) 20, f. 2.
Type: C. Campbell s.n., Sumatra.
Mezoneuron sulfureum Miquel, Fl. Ind. Bat. 1, 1 (1855) 105.
Type: Zollinger s.n. (as 1002 in P) (U holo; BM, K, P), Java.
Mezoneuron sumatranum (Roxburgh) Wight & Arn. ex Miquel var. b Miquel, Fl. Ind. Bat. 1, 1 (1858) 1081.
Type: Teijsmann s.n. (U holo; K, L), Sumatra.
Mezoneuron koordersii Backer, Schoolfl. Java (1911) 396.
Type: Koorders 34442 (BO holo; L), Java.
Mezoneuron peekelii Harms, Bot. Jahrb. 55 (1917) 58.
Type: Peekel 453, New Ireland.