N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Kim Hy village (N 22°17′ E 106°03′), 27 km to 55° of Bac Can city. Secondary shrubs on steep shale stream canyon slope at elev. 300 m a.s.l. Shrub or treelet up to 4 m hg. Inflorescence bracts white, flowers yellow. Very common.