Exolobus grandiflorus (Cav.) E.Fourn. = Gonolobus grandiflorus (Cav.) Schultes
English:
grandiflorus,-a,-um;

https://archive.org/stream/mobot31753002771290#page/319/mode/2up
homotypic synonyms:
Cynanchum grandiflorum Cav.; Gonolobus grandiflorus (Cav.) R. Br.; Gonolobus grandiflorus (Cav.) Schultes;

protologue: Fl. Bras. 6(4): 319 (1885)

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