Ipomoea obscura (L.) Ker Gawl. [ Convolvulus obscurus L.]
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Ipomoea obscura (L.) Ker Gawl. [ Convolvulus obscurus L.] [Convolvulaceae]
J.J. Dillenius, Hort. Elth., vol. 1 : p. 99, t. 83, fig. 95 (1732)