Labiatae Ha Giang Prov., Dong Van distr., Thai Phin Tung mun., Ha Bu Da vill., 23?15′32″ N, 105?17′11″ E, 1500 m. In pure Pseudotsuga sinensis community or mixte with Taxus chinensis communities on ridges of limestone mountains. Perennial herb. Flowers violet
HAL 8691 27 May 06 Photos
Collectors: Phan Ke Loc, Nguyen Sinh Khang & Vu Xuan Manh. Grant from Program of Basic Researchs in Life Sciences, Vietnam