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Asteraceae
Centaurea

not marked as a favorite taxon *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. Virginia Piedmont. Poindexter, Weakley, & Denslow (2011) report the naturalization of C. nigrescens in Alleghany Co. North Carolina.

Glossary (beta!)

Origin/Endemic status: Europe

Taxonomy Comments: C. transalpina Schleicher ex A.P. de Candolle was also reported for VA by Kartesz (1999).

Synonymy ⓘ: = Can, FNA19, Il, K4, Mi, NE, NS, 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 Willdenow — F, K1; > Centaurea nigrescens Willdenow ssp. nigrescens — POWO; > Centaurea nigrescens Willdenow ssp. transalpina (Mérat) Nyman — POWO; > Centaurea transalpina Schleich. ex DC. — F, K1; > Centaurea vochinensis Bernh. ex Rchb. — F. Basionym: Centaurea nigrescens Willdenow 1803

Links to other floras: = Centaurea nigrescens - FNA19

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Heliophily ⓘ: 9

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image #1 of Centaurea nigrescens© Gary P. Fleming | Original Image ⭷
image #2 of Centaurea nigrescens© Gary P. Fleming | Original Image ⭷
image #3 of Centaurea nigrescens© Gary P. Fleming | Original Image ⭷
image #4 of Centaurea nigrescens© Gary P. Fleming | Original Image ⭷

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Horticultural Information

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