Peltophorum densiflorum Prain, J. As. Soc. Beng. 66, ii (1897) 236, 473; Ridley, Fl. Malay Penins. 1 (1922) 648; J.E. Vidal & Hul Thol, Bull. Mus. Hist. Nat. Paris III, 227 (Bot. 15) (1974) 20, t. 3: 19-21; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 657, f. 42 (densiflorum Pterol compl FM42 ).
Lectotype (J.E. Vidal & Hul Thol 1974): Curtis 3093 B (K holo; L photo), Penang I.; syntype: Maingay 535 (BM, K, L iso), Malay Peninsula.