N. Vietnam, prov. Ha Giang, distr. Yen Minh, municipality Du Gia, E
slopes of Phu Tha Ca mountain system at 1700-2000 m elev. (N 23°56′ E 105°13′). Primary evergreen broadleaved very wet mossy cloud forest on quartzite very steep slopes. Shrub 1.5-2 m hg. Flowers pink, anthers yellow. Very common. Codominanthe of shrub forest stratum at 1600-2000 m lev.
CBL 2147 03 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)