Lai Chau Prov., Sin Ho Distr., Phin Ho Mun., Ta Genh vill., around point 22?28′26′' N, 103?17′46′' E, 1450 m. Slopes of non-limestone mountains.
Herb, up to 0.2 m tall. Clustered on stream banks. Flowers pinkish. HAL 8819 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.