Ranunculaceae Thalictrum Lai Chau Prov., Sin Ho Distr., Xa De Phin Mun., Mao Xa Phin vill., around point 22?17′50′' N, 103?14′39′' E, 1600 m. Ridges and slopes of limestone mountains.
Small herb. In soil pockets between rocks. Very rare. Flowers white. HAL 8755 09 Jun 2006 Photos Collectors: P.K. Loc, N.T. Vinh, N.S. Khang, P.N. Quan and T.A. Suu