Vascular Plants of North Carolina
Account for Black Mustard - Rhamphospermum nigrum   (L.) W.D.J. Koch
Members of Brassicaceae:
Members of Rhamphospermum with account distribution info or public map:
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Section 6 » Family Brassicaceae
Author(L.) W.D.J. Koch
DistributionCollected as an escape from only 4 counties in the Mountains and Piedmont. Other specimens from Madison, Transylvania, and Wake counties are misidentified.

Native of Eurasia and Africa; in N.A. throughout the U.S. and most of Canada.
AbundanceVery rare.
HabitatFields.
PhenologyFlowering and fruiting May-August.
IdentificationBlack Mustard is most similar to B. juncea, but the fruit pods stand erect against the stem (vs. ascending in that species).
Taxonomic CommentsTaxon named as Brassica nigra by most entities.

Other Common Name(s)
State RankSE
Global RankGNR
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