Cirsium wheeleri
Cirsium wheeleri is a North American species of plants in the thistle tribe within the sunflower family. Common names include Wheeler's thistle. It is native to northern Mexico (Chihuahua, Sonora) and the southwestern United States (Arizona, New Mexico, Colorado, Utah, Nevada).[2][3]
| Cirsium wheeleri | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Cirsium |
| Species: | C. wheeleri |
| Binomial name | |
| Cirsium wheeleri | |
| Synonyms[1] | |
| |
Cirsium wheeleri is a perennial herb up to 60 cm (2 feet) tall with a large taproots. Leaves have slender spines. There are one or more flower heads, each with white, pink, or pale purple disc florets but no ray florets. The plant grows in mountain meadows and open conifer forests.[2]
References
External links
Media related to Cirsium wheeleri at Wikimedia Commons- Photo of herbarium specimen at Missouri Botanical Garden, collected 1906 in the Chiricahua Mountains of Arizona
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