Batatas edulis (Thunb.) Choisy = Ipomoea batatas (L.) Lam.
English:
edulis,-is,-e;

https://archive.org/stream/#page/53/mode/2up
homotypic synonyms:
Convolvulus edulis Thunb.; Ipomoea edulis (Thunb.) Makino;

protologue: Convolv. Orient. : 53 (1833)

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