]> A barcode-00238140 China Yunnan Steep slopes on the N side of the Burma Rd. Along Xierhe river, 21 km W of Xiaguan and near km marker 421 W of Kunming. Polygonum hydropiper Linnaeus Linnaeus 2010-08-16 16:37:25 Sino-Amer. Bot. Exped. (1984)