FLORA OF VIETNAM
Orchidaceae
Dendrobium longicornu Lindl.

Vietnam, Ha Giang Prov., Hoang Su Phi Distr., Ho Thau Municipality, around Chien Thang village, about 4 km to NW of Ho Thau village (22°37′24″N, 104°38′00″E) at elev. 1200-1300 m a.s.l.

Primary closed cloud evergreen broad-leaved forest with Rhodoleya and Rhododendrons along ridge composed with shale and granite with quartzite.

Epiphyte on mossy trees. Occasional.

HAL 6703 10 March 2005.

Collectors: L.Averyanov, P.K.Loc, N.T.Vinh, A.Averyanova.