S.Vietnam, Thua Thien Hue Prov., Xuan Loc Distr., Bach Ma National Park, steep S slopes along Dong Truoi ridge around point 16°14′11′'N 107°44′28′'E at elev. 600-800 m a.s.l.
Broad-leaved evergreen primary closed wet forest along steep rocky slopes and cliffs of shady stream canyon. Terrestrial and lithophytic herb in shady place. Petioles and stalk brown with white tessellation. Occasional.
HLF 1671 8 May 2003.
Coll. N.T.Hiep, L.Averyanov, N.T.Vinh et al. Grant from Henry Luce Foundation.