Asteraceae

Feather-head knapweed

Centaurea trichocephala M.Bieb. ex Willd.

Family: Asteraceae
Genus: Centaurea

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Feather-head knapweed (Centaurea trichocephala) — FlowerPhoto: Vasily Moryashkin, CC BY 4.0, from iNaturalist

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Common names

By language (2)

English: Feather-head knapweed
Finnish: Hapsikaunokki

Synonyms

Centaurea austriaca C.A.Mey.
Centaurea hyssopifolia Georgi
Centaurea pectinata Boiss.
Centaurea trichocephala subsp. trichocephala
Jacea trichocephala (M.Bieb.) Soják

Flowers

In flower: August to September (from 5 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Lower 48 states: introduced

Photos

FlowerPhoto: Vasily Moryashkin, CC BY 4.0, from iNaturalist
FlowerPhoto: Евгения, CC0, from iNaturalist
Photo: Иван Ковтун Ivan Kovtun, CC BY 4.0, from iNaturalist
Photo: Dmitriy Bochkov, CC BY 4.0, from Wikimedia Commons
Photo: Dmitriy Bochkov, CC BY 4.0, from iNaturalist
Photo: Dmitriy Bochkov, CC BY 4.0, from iNaturalist
Photo: Dmitriy Bochkov, CC BY 4.0, from iNaturalist
Photo: Valerii Glazunov, CC BY 4.0, from iNaturalist
Photo: Stanislav Murashkin, CC BY 4.0, from iNaturalist
Photo: Dmitriy Bochkov, CC BY 4.0, from iNaturalist
Photo: Jesenia K., CC BY 4.0, from iNaturalist
Photo: Svitlana Kyiak, CC0, from iNaturalist

More in Centaurea

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.