Persicaria perfoliata (L.) H. Gross [ Polygonum perfoliatum (L.) L.]
no HD illustration available (m1)
Persicaria perfoliata (L.) H. Gross [] [Polygonaceae]
K. Watanabe, Ill. Useful Pl. South. Reg., vol. 2(1): (Edible plants): t. 510 (1945)