Strophanthus singaporianus Holotype: Wallich 1623 (K-W) Griffith s.n. Isotype: Griffith s.n. (CGE) Lectotype: Griffith s.n. (K) Holotype: , Borneo, Kalimantan, ‘Bangarmassig’ (probably = Banjarmasin), Motley 760 (K)
