FLORA OF VIETNAM Orchidaceae Juss. Cleisostoma rostratum (Lodd.) Seidenf.
N. Vietnam, Tuyen Quang prov., Na Hang distr., Xuan Tam municipality, near Ban Cai village (22°29′18′'N, 105°19′47′'E). Primary broad-leaved evergreen dry forest on very steep slopes of highly eroded remnant limestone ridge at elev. 450-550 m a.s.l. Lithophyte and epiphyte with pendent shoots up to 0.6 m lg. Very common.