*Centaurea jacea Linnaeus. Common name: Brown Knapweed. Phenology: Jun-Sep. Habitat: Roadsides, disturbed areas. Distribution: Native of Europe. This species is increasing rapidly in the VA Ridge and Valley. Reported for Alleghany County, NC (Poindexter, Weakley, & Denslow 2011).
Origin/Endemic status: Europe
Synonymy ⓘ: = C, F, FNA19, G, Il, K4, Mi, NE, NY, Oh3, Pa, SE1, Tat, Va; = Jacea pratensis Lam.; = n/a — RAB; > Centaurea jacea L. ssp. jacea — POWO, and likely other subspecies as well. Basionym: Centaurea jacea L. 1753
Links to other floras: = Centaurea jacea - FNA19
Show parent genus | Show parent in key(s)
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU
- Eastern Mountains and Piedmont: FACU
- Great Plains: FACU
- Midwest: FACU
- Northcentral & Northeast: FACU
Heliophily ⓘ: 9
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.
© Erik Danielson source | Original Image ⭷
© Erik Danielson source | Original Image ⭷
© Erik Danielson source | Original Image ⭷Feedback
See something wrong or missing on about Centaurea jacea? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months. If a species is not keyed, that's because keying is ongoing. Please don't send us feedback about unkeyed species.
Horticultural Information
Intro:
Stems:
Leaves:
Inforescence:
Flowers:
Fruits:
Comments:
Height:
plant sale text:
bloom table text:
description:
stems:
leaves:
inflorescence:
flowers:
fruits:
comments:
cultural notes:
germination code:
native range:
0 unsaved edits on this page.