]> A barcode-00238006 China Sichuan Dujiangyan Municipality (formerly Guan Xian); Qishuping to Mashanping, upstream from the town of Longxi on the Longxi River. On semi-shaded, moist slope in Cryptomeria plantation. Polygonum chinense Linnaeus Linnaeus 2010-08-16 16:37:21 D. E. Boufford, B. Bartholomew, G. Li & G. H. Zhu