FLORA OF VIETNAM Orchidaceae Calanthe lyroglossa Reichenb.f.
Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, elevation from Na Nheo village to the S from 680 to 880 m a.s.l. (around point 21°59′24′'N, 104°16′23′'E). Primary evergreen broad-leaved submontane forest on steep granite and quartzite slopes at elev. 800-880 m a.s.l. Terrestrial herb (usually on mossy decaying timber) in shady places. Flowers dull yellow- orange. Very common.