FLORA OF VIETNAM
Orchidaceae
Bulbophyllum nigrescens Rolfe

Dien Bien Prov., Tua Chua Distr., Tua Thang Municipality, De Chu village, around point 21°53′22”N 103°24′56”E.

Primary evergreen broadleaved forest on very steep slopes and on tops of remnant mountains composed with solid limestone at elevation 900-1150 m a.s.l.

Epiphytic clustering herb on old mossy trees on top of mountain. Flowers black. Not common.

CPC 2269 12 April 2011
Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, N.T.Vinh.