Centaurea diffusa
Diffuse Knapweed, Small Flowered Star Thistle
Also known as: Acosta aemulans (Klokov) Holub +16 more
- Acosta aemulans (Klokov) Holub
- Acosta diffusa (Lam.) Soják
- Acrolophus diffusus (Lam.) Á.Löve & D.Löve
- Centaurea aemulans Klokov
- Centaurea ammophila Besser ex DC.
- Centaurea compereana Steven
- Centaurea comperiana Steven
- Centaurea diffusa var. ammophila DC.
- Centaurea diffusa var. pallida DC.
- Centaurea diffusa var. subfusca DC.
- Centaurea iljiniana N.B.Illar.
- Centaurea microcalathina A.O.Tarassov
- Centaurea myriocephala E.D.Clarke
- Centaurea myriocephala var. myriocephala
- Centaurea ovina Pall. ex Steud.
- Centaurea parviflora M.Bieb., 1819
- Centaurea parviflora Sm.
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Asteraceae
- WCVP Morphological Data: Recorded natively as a biennial.
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Centaurea diffusa (commonly known as Diffuse knapweed or Small-flowered Star-thistle) is a biennial belonging to the Asteraceae family. Indigenous to Temperate Asia and Europe, this species is primarily associated with temperate conditions. It belongs to the highly diverse genus Centaurea, which contains over 800 distinct species.
Macro Climate
Temperate
Plant Type
Biennial
Native Range
Continents (WGSRPD)
ASIA-TEMPERATE, EUROPE
Regions (WGSRPD)
Caucasus, Eastern Europe, Middle Europe, Siberia, Southeastern Europe, Southwestern Europe, Western Asia
Botanical Countries (WGSRPD L3)
Altay, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Russia, Czechoslovakia, East European Russia, France, Greece, Hungary, Italy, Krym, North Caucasus, North European Russia, Northwest European Russia, Romania, South European Russia, Spain, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Alberta, Arizona, British Columbia, California, Colorado, Connecticut, Germany, Great Britain, Idaho, Illinois, Indiana, Iowa, Kentucky, Krasnoyarsk, Massachusetts, Michigan, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, Norway, Ontario, Oregon, Poland, Primorye, Québec, Rhode I., Saskatchewan, Switzerland, Tennessee, Utah, Washington, Wisconsin, Wyoming, Yukon