Vascular Plants of North Carolina
Account for Brown Knapweed - Centaurea jacea   L.
Members of Asteraceae:
Members of Centaurea with account distribution info or public map:
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Section 6 » Order Asterales » Family Asteraceae
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AuthorL.
DistributionCollected once in 2008 in a gravel parking area in Alleghany County (specimen at BOON). Reported by Poindexter, Weakley, and Denslow in a journal article (2011).

Native of Europe; in N.A. -- N.B. to Ont. south to NC, KY, and IA; also far western states and B.C.
AbundanceVery rare.
HabitatGravel parking area.
PhenologyFlowering and fruiting June-September.
IdentificationBrown Knapweed is superficially like our other pink-purple flowered knapweeds; but the phyllaries (bracts surrounding the base of the head) are brown to light brown, rather rounded or squared-off at the tip, and lack fringing.
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State RankSE
Global RankGNR
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