Taxonomic status: Synonym

homotypic synonyms:
Rhynchosida physocalyx (A. Gray) Fryxell; Sida physocalyx A. Gray;

protologue: Anais XX Congr. Nac. Bot., Soc. Bot. Brasil 400: 400 (1969)
URL protologue: https://archive.org/stream/#page/400/mode/2up

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