Ipomoea purga (Wender.) Hayne [ Ipomoea schiedeana Zucc.]
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Ipomoea purga (Wender.) Hayne [ Convolvulus purga Wender.] [Convolvulaceae]
J.G. Zuccarini, Abh. Math. Phys. Cl. K. Baier. Akad. Wiss. fasicle 1, : t. 12 (1832)