FLORA OF VIETNAM
Orchidaceae
Bulbophyllum longibrachiatum Z.H.Tsi

Cao Bang Prov., Nguyen Binh Distr., Ca Thanh Municipality, Cao Lu village, around point 22°42′47.7″N, 105°51′50.8″E.

Primary coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation about 1300 m a.s.l.

Creeping lithophyte on mossy shady rocks. Leaves below purple-violet. Flower buds olive-yellowish. Occasional.

4 October 2013 CPC 5406
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets