*Centaurea nigrescens Willdenow. Common name: Tyrol Knapweed, Short-fringed Knapweed. Phenology: Jul-Oct. Habitat: Roadsides, disturbed areas. Distribution: Native of Europe. This species is increasing rapidly in the n. VA Piedmont. Poindexter, Weakley, & Denslow (2011) report the naturalization of C. nigrescens in Alleghany Co. NC.
Origin/Endemic status: Europe
Taxonomy Comments: C. transalpina Schleicher ex A.P. de Candolle was also reported for VA by Kartesz (1999).
Synonymy ⓘ: = FNA19, Il, K4, Mi, NE, NY, Pa, Va; = Centaurea dubia Suter — C, Oh3, SE1, W, nomen invalidum; = n/a — RAB, Tat; > Centaurea dubia Suter ssp. vochinensis (Bernh. ex Rchb.) Hayek — G; > Centaurea nigrescens Willd. — F; > Centaurea nigrescens ssp. nigrescens — POWO; > Centaurea nigrescens ssp. transalpina — POWO; > Centaurea transalpina Schleich. ex DC. — F; > Centaurea vochinensis Bernh. ex Rchb. — F. Basionym: Centaurea nigrescens Willd. 1803
Links to other floras: = Centaurea nigrescens - FNA19
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Heliophily ⓘ: 9
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© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷Feedback
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