Vietnam, Ha Giang Prov., Bac Me Distr., Phieng Luong Municipality, about 1.5 km to SW of Phieng Luong Municipality headquarter (22°39’29’’N, 105°19’35’’E). Secondary open evergreen broad-leaved forest along rocky streamlet valley at the base of steep slopes of mountains composed with solid highly eroded crystalline and partially shale limestone at elev. about 850 m a.s.l. Shrub 2 m tal. Fruits dirty purple. Very common.