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