Ipomoea batatas (L.) Lam.
      
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1 556295 Ipomoea batatas (L.) Lam. [181 270655 Convolvulus batatas L.] Convolvulaceae
K. Watanabe, Ill. Useful Pl. South. Reg., vol. 2(2): (Edible plants): t. 126 (1945)