FLORA OF VIETNAM
Orchidaceae
Cleisostoma williamsonii (Rchb.f.) Garay

Vietnam, Ha Giang Prov., Bac Me Distr., Phieng Luong Municipality, about 1.5 km to NE of Phieng Luong Municipality headquarter (22°39′29″N, 105°19′35″E).

Secondary open shrubs along road on steep slopes at the base of ridges composed with solid highly eroded crystalline limestone and shale at elev. about 800-850 m a.s.l.

Epiphyte on tall tree. Not common.

HAL 6606 8 March 2005.

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