N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, Phia Khao village, Lung Li locality 22°17′30′'N 105°31′16′'E.
Primary broadleaved evergreen closed wet forest on very steep slopes and cliffs of remnant mountains composed with highly eroded crystalline limestone near top of ridge at elev. 700-900 m a.s.l.
Terrestrial and lithophytic herb on shady slope. Leaves velvety deep green with central light green wide stripe and pink or yellow reticulated venation. Occasional.
HLF 760 25 Dec. 2002.
Coll. Phan Ke Loc, L.Averyanov, Nguyen Anh Duc, To Van Thao, Mai Van Xinh, Nguyen Tien Vinh. Grant from Henry Luce Foundation.