Xizang (Tibet): Riwoqe Xian.
Road from Changdu (Chamdo) to Nangqen, Qinghai, along Lancang Jiang (Ge Qu, or Ge River), then W along tributary of Lancang Jiang on road to Riwoqe via Machala coal mine.
Open areas and forested slope with Betula, Lonicera and scattered Picea
Open, stony area between road and wood.Matted vine on ground; stems ca. 1.2 m long; tepals yellow.
D. E. Boufford, B. Bartholomew, D. A. Eaton, X. H. Li, R. H. Ree, B. Xu, J. P. Yue, J. W. Zhang & X. X. Zhu