Ipomoea purga (Wender.) Hayne
      
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2 557173 Ipomoea purga (Wender.) Hayne [80 271080 Convolvulus purga Wender.] Convolvulaceae
T.F.L. Nees von Esenbeck, M.F. Wijhe (Weyhe), Pl. Medicin., Suppl.: t. 51 (1828-1833) [A. Henry]