Euphorbiaceae Lai Chau Prov., Sin Ho Distr., Phin Ho Mun., Ta Genh vill., around point 22?28′26′' N, 103?16′31′' E, 1180 m. Lower slopes of limestone mountains, on stream banks.
Small shrub, ca 3 m tall. Rare. Flowers yellow. HAL 8783 11 Jun 2006 Photos 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.