Page author: David Giblin
Centaurea ×varnensis
hybrid diffuse knapweed, sand knapweed

Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho; also in eastern North America.

Habitat: Roadsides, fields, ditches, wastelots, and other disturbed, open areas at low to middle elevations.

Flowers: June-August

Origin: Introduced from Europe

Growth Duration: Annual, Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, beetles, wasps


[none provided]

Accepted Name:
Centaurea ×varnensis Velen.
Publication: Fl. Bulg. 313. 1891.

Synonyms & Misapplications:
Centaurea ×psammogena G. Gáyer
Additional Resources:

PNW Herbaria: Specimen records of Centaurea ×varnensis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Centaurea ×varnensis checklist entry.

OregonFlora: Centaurea ×varnensis information.

E-Flora BC: Centaurea ×varnensis atlas page.

CalPhotos: Centaurea ×varnensis photos.

USDA Plants: Centaurea ×varnensis information.

2 photographs:
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