FLORA OF VIETNAM
Dioscoreaceae
Dioscorea sp.

N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh
(N 22°44′ E 105°50′). Primary semideciduous mixed forest along tops of
remnant karst limestone ridge at 1350-1400 m elev. Woody vine up to
4-5 m lg in open rocks. Not common.

CBL 1297 13 April 1999

International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)

Collectors: P.K.Loc, P.H.Hoang, Averyanov L.