Xizang (Tibet): Changdu (Chamdo) Xian.
S of the city of Changdu (Qamdo) on road (highway 214) to Bangda along the Lancang Jiang (Mekong River).
Xeric slopes along immediate river valley; xeric shrub and herb vegetation dominant
Open slopes and sandy shore of river.Plant aromatic; corolla white.
D. E. Boufford, S. L. Kelley, R. H. Ree & S. K. Wu