]> A barcode-00238184 China Xizang (Tibet) W of the city of Jiangda (Gyamda) on road to Changdu (Chamdo) (highway 317). Pass at Leijia Shan. Polygonum macrophyllum D. Don D. Don 2010-08-16 16:37:27 D. E. Boufford, J. H. Chen, S. L. Kelley, J. Li, R. H. Ree, H. Sun, J. P. Yue & Y. H. Zhang