Plants of Phong Nha - Ke Bang National Park

Fam. Orchidaceae

Bulbophyllum sp. (B. arcuatilabium Aver. aff.).

Vietnam, Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Municipality, around Ban On village (17°40'21"N, 105°58'00"E). Primary closed evergreen broad-leaved lowland forest on steep slopes and on tops of rocky ridge composed with solid marble-like highly eroded stratified crystalline limestone at elevation about 500-620 m a.s.l. Epiphyte (Pistacia cucphuongensis, Memecylon sp., Eurya sp., Quercus sp., Osmanthus sp., Rutaceae, Myrsine seguinii, Lauraceae) in shady places. Common. No HAL 6034 22 January 2005. Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.