S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, N slope of Bach Ma mt system around point 16°13'53''N 107°49'02''E at elev. about 100 m a.s.l. Broad-leaved evergreen wet secondary closed forest along rocky river valley and on river slopes. Epiphyte in shady place. Not common.