S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, Bach Ma mt, Hai Vong Dai peak, around point 16°11′46′'N 107°51′45′'E at elev. about 400 m a.s.l.
Broad-leaved evergreen secondary closed mt forest on steep granite slopes. Terrestrial and lithophytic herb on wet granite cliff. Common.