N. Vietnam, Thai Nguyen prov., Vo Nhai distr., Than Sa municipality, vicinities of Kim Son village (N 21°48′ E 105°54′), 23.3 km to 18° of Thai Nguyen city. Lithophytic shrub or treelet 5-6 m hg on shady limestone cliffs along stream at 40-60 m a.s.l. Fruits green, arillus yellowish, seeds red. Not common.