Sichuan: Kangding Xian.
S of the city of Danba along the Dadu He (Dadu River).
Dry scrub vegetation on stony slope. Dominant plants: Pistacia weinmannifolia, Ligustrum, shrubby evergreen Quercus, Zanthoxylum, Excoecaria.
30°38'26"N,
102°3'31"E;
1805 m.
Stony slope above river and on gentle slope below cliff away from river.Shrubs ca. 2 m tall; corollas remaining on some plants, white; stamens yellow.
David E. Boufford, Kazumi FUJIKAWA, Susan L. Kelley, Richard H. Ree, Bo XU, Dacai ZHANG, Jian-Wen ZHANG, Ti-Cao ZHANG & Wei-Dong ZHU