FLORA OF VIETNAM Orchidaceae Cheirostylis marmorifolia Aver.
N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Yen Lac, vicinities of Yen Lac village (N 22°44′ E 105°50′). Primary mixed semideciduous forest (with domination Keteleeria chinensis) along tops of remnant karst limestone ridge at 1450-1500 m elev. Lithophyte creeping herb. Leaves gray-greenish with green nerves. Rare.
CBL 1485 16 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)