FLORA OF VIETNAM
Orchidaceae
Thrixspermum pauciflorum (Hook.f.) Ridl.?

Vietnam, Quang Binh Prov., Quang Ninh Distr., Truong Son municipality, around Chan Trong village at 17°10′49″N 106°29′22″E.

Secondary dry broad-leaved forest on tops and steep slopes of highly eroded karst limestone mountain composed with gray solid marble limestone allied to Long Dai River, at elevation 300-400 m a.s.l.

Pendent epiphyte on tall trees. Flowers yellowish, lip sidelobes with dull reddish spots, lip apex white. Not rare.

HAL 11517 13 April 2008
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang