Cirsium carolinianum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Cirsium
Species:
C. carolinianum
Binomial name
Cirsium carolinianum
(Walter) Fernald & B. G. Schubert
Synonyms[1]
  • Carduus carolinianus Walter
  • Carthamus carolinianus Walter
  • Cirsium flaccidum Small

Cirsium carolinianum is a North American species of plants in the tribe Cardueae within the family Asteraceae. Common name is Carolina thistle or purple thistle or soft thistle or smallhead thistle. The species is native to the central and southern United States, from eastern Texas east to Virginia and the Carolinas, north to the Ohio Valley.[2]

Cirsium carolinianum is a biennial herb up to 180 cm (6 feet) tall, with a relatively short taproot. Leaves have small, thin spines along the edge, much smaller than those of related species. There are usually several flower heads, with pinkish-purple (rarely white) disc florets but no ray florets.[3] Flowers bloom April to July.[4] Its habitats include wooded areas, fields, and roadsides.[3]

References

  1. ↑ The Plant List, Cirsium carolinianum (Walter) Fernald & B.G. Schub.
  2. ↑ Biota of North America Program 2014 county distribution map
  3. 1 2 Flora of North America, Carolina or purple or soft or smallhead thistle, Cirsium carolinianum (Walter) Fernald & B. G. Schubert.
  4. ↑ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org.


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