Asteraceae
Plumeless thistle
Carduus × orthocephalus
- Family
- Asteraceae
- Genus
- Carduus
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Carduus × orthocephalusAsteraceae
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Common names
By language (1)
- English
- Plumeless thistle
Synonyms
- Carduus carniolicus Rechinger
- Carduus palatinus Sch.Bip. ex Nyman
- Carduus sonderi F.W.Schultz
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Biennial, Perennial
- In the US and Canada
- Canada: introduced, Lower 48 states: introduced
More in Carduus
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- Curly plumeless thistleCarduus crispusAsteraceae
- Winged plumeless thistleCarduus tenuiflorusAsteraceae
- Italian plumeless thistleCarduus pycnocephalusAsteraceae
- Carduus argentatusAsteraceae
- Carduus personataAsteraceae
- Carduus defloratusAsteraceae
- Carduus carlinoidesAsteraceae
- Carduus collinusAsteraceae
- Carduus hamulosusAsteraceae
- Carduus acicularisAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0); popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.