Lai Chau Prov., Sin Ho Distr., Phin Ho Mun., Ta Genh vill., around point 22?27′24′' N, 103?19′13′' E, 1190-1400 m. Slopes and ridges of non-limestone mountains.
Undershrub, about 1 m tall. Occasionally common. Flowers pinkish. HAL 8830 13 Jun 2006 Collectors: P.K. Loc, N.T. Vinh, N.S. Khang, P.N. Quan and L.H. Phong.
Collected with the financial support from the Program of Basic Researchs in Life Sciences, Vietnam.