| Cirsium turneri | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Cirsium |
| Species: | C. turneri |
| Binomial name | |
| Cirsium turneri | |
Cirsium turneri is a North American species of plants in the tribe Cardueae within the family Asteraceae. Common names include cliff thistle.[1] The species grows in crevices in limestone cliffs in northern Mexico (Chihuahua, Coahuila)[1] and western Texas (Brewster, Terrell, Val Verde Counties).[2][3]
Cirsium turneri is a perennial herb up to 45 cm (18 inches) tall. Leaves have small, narrow spines along the edges. Flower heads are sometimes produced one at a time, sometimes in small groups, each head with red or reddish-purple disc florets but no ray florets.[1]
References
- 1 2 3 Flora of North America, cliff thistle, Cirsium turneri Warnock
- ↑ Biota of North America Program 2014 county distribution map
- ↑ Warnock, Barton Holland 1960. Southwestern Naturalist 5(2): 101–102
External links
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