Polygonaceae Polygonum sp. S. Vietnam, Prov. Kon Tum, Distr. Dak Gley, about 7 km to S of Dak Gley town, near Dak Pet willage. On wet sandy places along Dak Poko river at 600-650 m alt. Herb up to 0.5-0.7 m high. Common weed. VH 1538 12.11.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, G. Yakovlev