FLORA OF VIETNAM
Plants of Phong Nha - Ke Bang National Park
Orchidaceae
Callostylis rigida Blume

Vietnam, Quang Binh Prov., Bo Trach Distr., Hung Trach Municipality, Khe Me locality, around point 17°27′51′'N, 106°22′46′'E at elev. 900-1000 m a.s.l.

Slightly logged primary closed broad-leaved evergreen forest on slopes of mountains composed with shale and sandstone.

Creeping epiphyte (Hopea mollissima, Schima wallichii, Diplopanax vietnamensis, Choerospondias axillaris, Podocarpus neriifolius, Dacrycarpus imbricatus, Engelhardia roxburghiana). Flowers dull orange, lip with violet-purple-brown spot. Common.

HAL 6217 29 January 2005. Photo.

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