Lai Chau Prov., Sin Ho Distr., Phin Ho Mun., Ta Genh vill., around point 22?28′42′' N, 103?18′46′' E, 1527 m. Uppper slopes and ridges of non-limestone mountains.
Terrestrial, evergreen big tree, up to 0.4-0.5 m dbh, occasionally common; regeneration by seeds very well, dense. HAL 8815 13 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.