Biology:Cirsium rivulare

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Short description: Species of thistle

Cirsium rivulare
Cirsium rivulare sl1.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Cirsium
Species:
C. rivulare
Binomial name
Cirsium rivulare
(Jacq.) All.

Cirsium rivulare is a species of flowering plant in the family Asteraceae, native to eastern and western Europe, adventive in Britain, and naturalised in Sweden and Belgium.[1]

Growing to 1.5 m (4.9 ft) tall, this erect herbaceous perennial is a clump-forming thistle, with narrow grey-green prickly leaves and small purple globular flowerheads in early to midsummer.[2]

The Latin specific epithet rivulare means "brook loving".[3] The plant prefers moist conditions but can tolerate some dryness.

The cultivar Cirsium rivulare 'Atropurpureum', with deep crimson flowers, has received the Royal Horticultural Society's Award of Garden Merit.[4] It is very hardy down to at least −20 °C (−4 °F) (RHS rating H7), and thrives in full sun.

References

  1. {{citation | mode = cs1 | title = Cirsium rivulare | work = Germplasm Resources Information Network (GRIN) | url = https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?467693 | publisher = [[Organization:Agricultural Research ServAgricultural Research Service (ARS), United States Department of Agriculture (USDA) | access-date = }}
  2. The Royal Horticultural Society A-Z encyclopedia of garden plants (3rd ed.). United Kingdom: Dorling Kindersley. 2008. ISBN 9781405332965. 
  3. Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 184533731X. 
  4. "Cirsium rivulare 'Atropurpureum'". RHS. https://www.rhs.org.uk/Plants/89285/Cirsium-rivulare-Atropurpureum/Details. Retrieved 12 April 2020. 

Wikidata ☰ Q588939 entry