Taxonomic status: Synonym

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

protologue: Prodr. (DC.) 9: 362 (1845)
URL protologue: https://archive.org/stream/mobot32753003023395#page/362/mode/2up

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