FLORA OF VIETNAM Orchidaceae Calanthe alleizettii Gagnep.
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′59′'N, 104°14′06′'E). Primary evergreen broad-leaved montane forest with Fokienia hodginsii (as emergent) along granite and quartzite slopes at elev. 1800 m a.s.l. Terrestrial herb on steep shady stream slope. Flowers from white to light lilac. Occasionally common.