Taxonomic status: Synonym

homotypic synonyms:
Ipomoea macrocalyx (Ruiz & Pavon) Choisy; Merremia macrocalyx (Ruiz & Pavon) O’Donell;

protologue: Fl. Peruv. 2: 10 (1799)
URL protologue: https://archive.org/stream/mobot31753003431712#page/10/mode/2up

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