FLORA OF VIETNAM Orchidaceae Ceratostylis himalaica Hook.f.
Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, to the SW of Na Nheo village (in the vicinity of point 21°58′39′'N, 104°14′35′'E). Primary closed evergreen broad-leaved submontane forest on steep granite and quartzite slopes at elev. 800-1200 m a.s.l. Epiphyte on high tree canopy. Flowers odorless; tepals dull yellow with purple nerves, lip with yellow epichile. Very common. Usual co-dominant of epiphytic communities in high tree canopies.