FLORA OF VIETNAM Orchidaceae Dendrobium aduncum aff.
Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, to the SW of Na Nheo village (in the vicinity of point 21°57′34′'N, 104°13′49′'E). Primary evergreen broad-leaved montane forest with Fokienia hodginsii along granite and quartzite ridge at elev. 1900 m a.s.l. Lithophyte and epiphyte on open rocky cliffs. Common.