Taxonomy
In Malesia only one of the several subspecies:
Citation
Wadhwa 1996 – In: Fl. Ceylon: 60
Jalas 1993 – In: Fl. Eur., ed. 2: 171
Backer & Bakh. f. 1963 – In: Fl. Java: 208
Hara 1979 – In: Hara & Williams, Enum. Flow. Pl. Nepal 2: 53
Pham-hoàng Hô 1991: p. 936. – In: Illus. Fl. Vietnam: f. 2630
Möschl 1964 – In: Mem. Soc. Brot.: 56
