FLORA OF LAOS
Orchidaceae
Bulbophyllum andersonii (Hook.f.) J.J.Sm.

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22′06.1′'N 104°17′18.6′'E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l. Creeping epiphyte on large old tree. Occasional.
LA-VN 1184a 8 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

Fl. in 14 August 2015, Flowers white with heavy purple markings, lip almost purple, column white, anther yellowish. Photos. L.Averyanov