FLORA OF LAOS
Orchidaceae
Dendrobium williamsonii Day et Rchb.f.

Phongsali Prov., Muong May Distr., around point 21°12′32”N 102°53′44”E.

Highly destroyed primary dry evergreen broad-leaved forest along tops of hill ridge composed with shale at elevation 1250-1400 m a.s.l.

Epiphyte on old mossy trees. Tepals white to light yellowish, lip orange with white apex. Abundant.

CPC 2429 22 April 2011 Photos.
Coll.: L.Averyanov, P.V.The.