Cirsium pumilum
| Cirsium pumilum | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Cirsium |
| Species: | C. pumilum
|
| Binomial name | |
| Cirsium pumilum (Nutt.) Spreng.
| |
| Synonyms[1] | |
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Synonymy | |
Cirsium pumilum, the pasture thistle,[2] is a North American species of plants in the thistle tribe within the sunflower family. The species is native to the northeastern and north-central United States as well as to the Canadian Province of Ontario.[3][4]
Cirsium pumilum is a biennial or perennial herb up to 100 cm (40 inches) tall, blooming once before dying. It has leaf blades up to 30 cm (12 inches) long, with slender to stout spines. There are usually a few flower heads, sweetly scented, with pink, purple or white disc florets but no ray florets.[5]
- Varieties[1]
- Cirsium pumilum var. hillii (Canby) B. Boivin - Great Lakes region, upper Mississippi Valley[4]
- Cirsium pumilum var. pumilum - northeastern + east-central United States from Maine to South Carolina west to Ohio[3]
References[]
- ^ Jump up to: a b The Plant List, Cirsium pumilum (Nutt.) Spreng.
- ^ "Cirsium pumilum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 5 February 2016.
- ^ Jump up to: a b Biota of North America Program 2014 county distribution map, Cirsium pumilum
- ^ Jump up to: a b Biota of North America Program 2014 county distribution map, Cirsium hillii
- ^ Flora of North America, Pasture thistle, Cirsium pumilum (Nuttall) Sprengel, Syst. Veg. 3: 375. 1826.
External links[]
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Categories:
- Cirsium
- Flora of the Eastern United States
- Flora of Ontario
- Plants described in 1818
- Cynareae stubs