Vascular Plants of North Carolina
Account for Western Tansy-mustard - Descurainia pinnata var. brachycarpa   (Richardson) Fernald
Members of Brassicaceae:
Members of Descurainia with account distribution info or public map:
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Section 6 » Family Brassicaceae
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Author(Richardson) Fernald
DistributionSo far as is known, only a single collection: Currituck County, sandy field 0.6 mile south of Grandy on US 158, 8 May 1858, Ahles & Ashworth 40150 (GH, NCU, USF, perhaps other herbaria).

Native of N.A. from Que. to VA, TN, and TX and westward; adventive in northeastern NC.
AbundanceVery rare.
HabitatSandy field.
PhenologyFlowering and fruiting April-August.
IdentificationVery much like D. pinnata var. pinnata, which see, but stalks of the pods stick out from the stem at a shallow angle (20-60 degrees vs. 70-90 degrees); sepals yellow (vs. rosy), and petals larger (2-3 mm vs max 1.8).
Taxonomic CommentsSometimes treated as a subspecies. Synonyms include D. ramosissima.

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State RankSE
Global RankG5T5
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