FLORA OF VIETNAM Orchidaceae Paphiopedilum hirsutissimum (Lindl.) Stein var. esquirolei (Schlechter) Karasava et Saito
N. Vietnam, prov. Cao Bang, distr. Ha Lang, municipality Thang Loi, vicinities of Lung Sam village (N 22°45′ E 106°42′). Secondary wet evergreen broadleaved forest with remnants of primary elements on steep slopes and bluffs of karst remnant limestone ridge at 550-600 m elev. Lithophyte herb on vertical cliffs of NW exposition. Flowers of typical coloration. Rare, but occasionally abundant.
CBL 1677 24 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)