FLORA OF VIETNAM
Orchidaceae
Bulbophyllum atrosanguineum Aver.

Son La Prov., Thuan Chau Distr., Co Ma Municipality, Copia natural reserve, around point 21°21′02”N 103°35′45”E.

Remnants of primary wet broadleaved evergreen forest on shale at elevation about 1500 m a.s.l.

Epiphyte on old mossy tall tree. Abundant.

CPC 1832 29 March 2011
Coll.: L.Averyanov, N.T.Hiep, T.B.Ngan.

Fl. in cult 20 Jan. 2015. Flowers dark purple, tinged with dull yellow along nerves. Photos. L.Averyanov