FLORA OF VIETNAM
Orchidaceae
Anoectochilus calcareus Aver.

N. Vietnam, Ha Giang prov., Quan Ba distr., Can Ti municipality,
vicinities of Sing Xuoi Ho village (N 23°04′ E 104°59′), 26.2 km to
002° of Ha Giang city. Primary closed evergreen mixed wet mossy forest
(with Cupressus, Taxus, Nagea and Pseoudotsuga) along tops of karst
remnant limestone ridge at elev. 1100-1150 m a.s.l. Lithophytic and
terrestrial forb in shady places. Leaves deep velvety black-brown with
pink-white venation above, unoformly pink-violet below. Rare.

NTH 3573 12 Oct. 1999

Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.