FLORA OF VIETNAM Orchidaceae Phaius longicruris Tsi
N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (N 22°17′ E 106°03′), 27 km to 55° of Bac Can city. Primary broadleaved evergreen dry closed forest on very steep slopes of remnant karst limestone ridge at elev. 500-600 m a.s.l. Terrestrial forb up to 1 m hg in shady place among rocks. Flowers odourless, tepals white, tips with green tint, lip pink-violet, later yellow. Very common.