Onopordum tauricum, the Taurian thistle or bull cottonthistle, is a species of thistle. It is native to Eurasia and is known in Australia and the western United States as an introduced species.[1] It easily becomes a noxious weed, similar to its relative, Onopordum acanthium.
| Onopordum tauricum | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Onopordum |
| Species: | O. tauricum
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| Binomial name | |
| Onopordum tauricum | |
| Synonyms[1] | |
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This is a biennial herb producing a sticky, glandular, very spiny stem up to 2 meters tall. The spiny, bright light green leaves are up to 25 centimeters long and are divided into triangular lobes. The inflorescence is made up of several large flower heads each up to 7 centimeters wide. They are lined with long, spiny phyllaries and bear pink-purple tubular flowers up to 3 centimeters long.
References edit
- ^ a b "Onopordum tauricum Willd". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 25 March 2022.
External links edit
- Jepson Manual Treatment
- Oregon Noxious Weeds
- Onopordum tauricum in the CalPhotos photo database, University of California, Berkeley
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