Taxonomic status: Synonym

homotypic synonyms:
Oenothera speciosa Nutt.; Xylopleurum speciosum (Nutt.) Raim.;

protologue: Bull. Torrey Bot. Club 23: 181 (1896)
URL protologue: https://archive.org/stream/mobot31753002261581#page/181/mode/2up

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