FLORA OF VIETNAM Orchidaceae Juss. Paphiopedilum henryanum
Viet Nam, Ha Giang Prov., Vi Xuyen Distr., Phong Quang Municipality, Man village, Phong Quang Nature Reserve (22°52′04′'N, 104°57′32′'E). Primary disturbed broad-leaved evergreen forest along tops of remnant highly eroded limestone ridge at elev. 1000-1050 m a.s.l. Lithophytic herb on vertical shady cliffs. Locally abundant.