S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, Bach Ma mt, Hai Vong Dai peak, around point 16°11′65′'N 107°51′53′'E at elev. about 1150 m a.s.l.
Mixed and broad-leaved evergreen secondary closed mt forest on steep shale slopes. Terrestrial sedge on shady steep slope along stream. Common.
HLF 1052 19 April 2003.
Coll. N.T.Hiep, N.N.Thin, V.X.Phuong, L.Averyanov, N.T.Vinh et al. Grant from Henry Luce Foundation.