FLORA OF VIETNAM Plants of Phong Nha - Ke Bang National Park Orchidaceae Cleisostoma rostratum (Lodd.) Seidenf.
Vietnam, Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Municipality, about 1 km to N of Ban On village (17°40′21′'N, 105°58′00E).
Logged primary closed evergreen broad-leaved lowland forest along stream and foothills of rocky ridge composed with solid marble-like highly eroded crystalline limestone at elevation 340-400 m a.s.l.
Epiphyte on high trees (Sterculia sp., Dracontomelon duperreanum, Anogeissus acuminata, Lagerstroemia sp., Bischofia javanica, Pometia pinnata, Pterospermum spp., Allospondias lakonensis) along stream and on lower part of mountain slope. Locally very common.