FLORA OF VIETNAM
Plants of Phong Nha - Ke Bang National Park
Orchidaceae
Thelasis khasiana Hook.f. ?

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 tree (Sterculia sp., Dracontomelon duperreanum, Anogeissus acuminata, Lagerstroemia sp., Bischofia javanica, Pometia pinnata, Pterospermum spp., Allospondias lakonensis) along stream. Not common.

HAL 5921 19 January 2005.

Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.