World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew

Vincetoxicum pycnostelma Kitag., J. Jap. Bot. 16: 19 (1940), nom. superfl.

This name is a synonym.

Homotypic Names:
Accepted Name:	Vincetoxicum mukdenense Kitag., J. Jap. Bot. 16: 20 (1940).
Family:	Apocynaceae
* Asclepias paniculata Bunge, Enum. Pl. China Bor.: 43 (1833). Pycnostelma paniculatum (Bunge) K.Schum. in H.G.A.Engler & K.A.E.Prantl, Nat. Pflanzenfam. 4(2): 243 (1895). Cynanchum paniculatum (Bunge) Kitag. ex H.Hara, Enum. Spermatophytarum Japon. 1: 153 (1948). Vincetoxicum changqinianum P.T.Li, J. S. China Agric. Univ. 12(3): 40 (1991). * Basionym/Replaced Synonym
Original Compiler:	R.Govaerts