Sichuan: Batang Xian.
NNW of the city of Batang on road to Baiyu running N along Jinsha Jiang (upper Chang Jiang).
Savanna-like area with Quercus, Berberis, Cotoneaster and Rosa
Gravelly roadside.Flowers visited by hawk moths. Corolla bluish purple.
D. E. Boufford, B. Bartholomew, S. L. Kelley, R. H. Ree, H. Sun, J. P. Yue, L. L. Yue, D. C. Zhang & W. D. Zhu