FLORA OF VIETNAM Orchidaceae Paphiopedilum hirsutissimum (Lindl.) Stein. var. esquirolei (Schlechter) Karasawa et Saito
N. Vietnam, prov. Son La, distr. Moc Chau, municipality Chieng Hac, vicinities of Co Liu village (N 20°51′ E 104°38′). Primary evergreen broadleaved wet mossy forest along rocky tops of remnant karst limestone ridge at 1200-1240 m elev. Lithophyte forb on mossy vertical shady cliffs of N exposition. Not common.
Flowered in horto in January 2006. Flowers odorless, central sepal white with light pink tint at the middle and purple-brown spots, petals and lip light yellow-brownish.
NTH 2971 29 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)