Fallopia japonica (Houtt.) Ronse Decr. [ Polygonum cuspidatum Siebold & Zucc.]
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Polygonum cuspidatum test Siebold & Zucc. [Polygonaceae]
J. Paxton, J. Lindley, Paxton’s Fl. Gard., vol. 1 : p. 137, fig. 90 (1853)