Asteraceae
Yellow star-thistle
Centaurea solstitialis
- Family
- Asteraceae
- Genus
- Centaurea
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Common names
By language (13)
- Bulgarian
- Floravia
- Catalan
- Floravia, Narriola
- Chinese
- 长刺矢车菊, 黃矢車菊, 黄星蓟, 黄矢车菊
- Czech
- Chrpa žlutá
- Dutch
- Zomercentaurie
- English
- Yellow star-thistle, Barnaby thistle, Floravia, Golden starthistle, St. Barnaby's thistle, Yellow cockspur, Yellow star thistle
- Finnish
- Keltaorakaunokki
- French
- Centauree du solstice, Floravia
- German
- Sonnwend-Flockenblume, Floravia
- Igbo
- Barnaby Thistle, Floravia, Golden Starthistle, St. Barnaby's Thistle, Yellow Cockspur, Yellow Star Thistle
- Italian
- Floravia
- Russian
- Floravia, Василёк летний, Василёк подсолнечный
- Spanish
- Abrepuño, Abrimanos,, Argazolla amarilla, Cardo estrellado de flor amarilla, Floravia, Gatinas, Ramón pajarero.
Synonyms
- Calcitrapa lutea (Gueldenst.) Delarbre
- Calcitrapa solstitialis Lam.
- Calcitrapa solstitialis subsp. solstitialis
- Centaurea cyanifolia Poir.
- Centaurea parvispina Láng ex Gugler
- Centaurea pseudosolstitialis Debeaux
- Centaurea solstitialis var. solstitialis
- Cyanus solstitialis J.Presl & C.Presl
- Leucantha solstitialis (L.) Á.Löve & D.Löve
Flowers
- In flower
- June to October (from 1,630 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: introduced, Lower 48 states: introduced
Photos
FlowerPhoto: silk128, CC BY 4.0, from iNaturalist 
FlowerPhoto: Cricket Raspet, CC BY 4.0, from iNaturalist 
FlowerPhoto: Justin, CC BY 4.0, from iNaturalist 
FlowerPhoto: Mehdi Chetibi, CC BY 4.0, from iNaturalist 
Photo: Victoria Lazareva, CC0, from iNaturalist 
Photo: Penarc, CC BY 3.0, from Wikimedia Commons 
Photo: Юрий Данилевский (Yuriy Danilevsky), CC BY 4.0, from iNaturalist 
Photo: Victor M. Vicente Selvas, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Eleftherios Katsillis, CC BY 4.0, from iNaturalist 
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Jonathan Vaughn, CC BY 4.0, from iNaturalist
More in Centaurea
- CornflowerCentaurea cyanusAsteraceae
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- Blessed thistleCentaurea benedictaAsteraceae
- Greater knapweedCentaurea scabiosaAsteraceae
- Common knapweedCentaurea nigraAsteraceae
- Red star-thistleCentaurea calcitrapaAsteraceae
- Maltese star-thistleCentaurea melitensisAsteraceae
- Diffuse knapweedCentaurea diffusaAsteraceae
- Spotted knapweedCentaurea stoebeAsteraceae
- Iberian knapweedCentaurea ibericaAsteraceae
- Bighead knapweedCentaurea macrocephalaAsteraceae
- Wig knapweedCentaurea phrygiaAsteraceae
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.