FLORA OF VIETNAM Orchidaceae Didymoplexiella siamensis (Rolfe) Seidenf.
Vietnam, Quang Tri Prov., Huong Hoa Distr., Huong Phung Municipality, Sa Mui pass, around point 16°47′42″N 106°35′50″E at elevation about 1000 m a.s.l.
Secondary broad-leaved evergreen submontane forest on shale mountains.
Terrestrial achlorophyllous olive-brownish to nearly black saprophyte on rocky shady stream slope with bamboo. Flowers white, lip light blue-violet. Not common.
HLF 6263 28 March 2006. Photo.
Coll. L.Averyanov, P.K.Loc, P.V.The. Grant from Henry Luce Foundation.