Crudia caudata Prain, J. As. Soc. Beng. 66, ii (1897) 219, 488; de Wit, Bull. Bot. Gard. Buitenz. III, 18 (1950) 422; Whitmore in Tree Fl. Malaya 1 (1972) 249; J.E. Vidal in Fl. Thail. 4 (1984) 92; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 580.
Type: Ridley 6399 (K holo; BM, L photos), Malay Peninsula.
Crudia bracteolosa de Wit, Bull. Bot. Gard. Buitenz. III, 18 (1950) 421.
Type: Cult. Hort. Bogor. no. XI-A-121 from Borneo? (BO holo; L).