Cynometra ramiflora Linnaeus, Sp. Pl. (1753) 382, excl. syn. Iripa Rheede; Merrill, Interpr. Rumph. (1917) 254; Knaap-van Meeuwen, Blumea 18 (1970) 23, f. 1c (ramiflora Cynom pod Blum1c ); Whitmore in Tree Fl. Malaya 1 (1972) 254, f. 5 (p. p.); Keng, Gard. Bull. Sing. 27 (1974) 258; Cockb., Trees Sabah 1 (1976) 162, f. 34 (p. p.); Verdcourt, Man. New Guin. Legumes (1979) 82; K. & S.S. Larsen in Fl. Camb., Laos & Vietn. 18 (1980) 118, pl. 20/3-5 (ramiflora Cynom lf/fl/pod CLV20 ); in Fl. Thail. 4 (1984) 48, f. 10/3-5; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 606.
Type: Cynomorium sylvestre Rumph., Herb. Amb. 1 (1741) t. 63 (ramiflora Cynom IcRumph t63 ).
Cynometra polyandra auct. non Roxb.: Miquel, Anal. Bot. Ind. 1 (1850) 11.
Cynometra bijuga Span. ex Miquel, Fl. Ind. Bat. 1, 1 (1855) 78.
Cynometra ramiflora ssp. bijuga Prain, J. As. Soc. Beng. 66, ii (1897) 198, 478, p. p.; Backer & Bakh. f., Fl. Java 1 (1964) 526.
Type: Unpublished drawing no. 6 of Spanoghe (L).
Cynometra schumanniana Harms, Notizbl. Berl.-Dahl. 3 (1902) 186; in K. Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 274.
Type: Hollrung 736 (B holo, destroyed; iso BO, L), Papua New Guinea.
Cynometra whitfordii Elmer, Leafl. Philipp. Bot. 8 (1915) 2734.
Type: Elmer 13465 (PNH holo, destroyed; iso K, L), Mindanao.
Vernacular name
Kekatong [Timber trade name]
Katong-katong [Sabah]
Cynometra ramiflora Linnaeus var. ramiflora
Knaap-van Meeuwen, Blumea 18 (1970) 25; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 606.
Cynometra ramiflora Linnaeus var. bifoliolata (Merrill) Knaap-van Meeuwen, Blumea 18 (1970) 25; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 606.
Cynometra bifoliolata Merrill, Philipp. J. Sc., Bot. 12 (1917) 272.
Type: Barros FB 24211 (PNH holo, destroyed; K, US), Luzon.