Bignoniaceae Lai Chau Prov., Sin Ho Distr., Xa De Phin Mun., Mao Xa Phin vill., around point 22?18′26′' N, 103?14′48′' E, 1579 m. Foots and lower slopes of limestone mountains.
Scattered in soil pockets between rocks. Undershrub, up to 2-3 m tall; flowers yellow.
HAL 8717 08 Jun 2006 Photos Collectors: P.K. Loc, N.T. Vinh, N.S. Khang, P.N. Quan and T.A. Suu
Collected with the financial support from the Program of Basic Researchs in Life Sciences, Vietnam.