Pasture Thistle
Cirsium pumilum Sprengel
Pasture Thistle: https://marylandbiodiversity.com/species/4241
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23 Records

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Source: Wikipedia

Cirsium pumilum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Cirsium
Species:
C. pumilum
Binomial name
Cirsium pumilum
Synonyms[1]
Synonymy
  • Carduus hillii (Canby) Porter, syn of var. hillii
  • Carduus odoratus (Barton) Porter
  • Carduus odoratus Muhl.
  • Carduus pumilus Nutt. 1818 not Vill. 1788
  • Cirsium odoratum Petr.
  • Cnicus odaratus Muhl. ex Steud.
  • Cnicus odoratus Britton, Sterns & Poggenb.
  • Cnicus pumilus Torr.
  • Cirsium hillii (Canby) Fernald, syn of var. hillii
  • Cnicus hillii Canby, syn of var. hillii

Cirsium pumilum, the pasture thistle,[2] is a North American species of plants in the tribe Cardueae within the family Asteraceae. 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]

References

[edit]
  1. ^ a b The Plant List, Cirsium pumilum (Nutt.) Spreng.
  2. ^ USDA, NRCS (n.d.). "​Cirsium pumilum​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 5 February 2016.
  3. ^ a b Biota of North America Program 2014 county distribution map, Cirsium pumilum
  4. ^ a b Biota of North America Program 2014 county distribution map, Cirsium hillii
  5. ^ Flora of North America, Pasture thistle, Cirsium pumilum (Nuttall) Sprengel, Syst. Veg. 3: 375. 1826.


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