Senecio viscosus

Senecio viscosus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Senecio
Species: S. viscosus
Binomial name
Senecio viscosus
L.

Senecio viscosus is a herbaceous annual plant of the genus Senecio. It is known as the sticky ragwort,[1] sticky groundsel or stinking groundsel.[2]

Description

An annual, growing to 70 cm high and covered with glandular hairs. Very similar to Senecio sylvaticus which does not have glandular hairs. The outer bracts show a brown tip. The ray-florets are ligulate, yellow and at first spreading then rolled back. The leaves are alternate and deeply lobed. Senecio vulgaris (Groundsel) does not have ray florets.[3]

Distribution

Locally common in Ireland on waste ground.[3][4][5]

References

  1. "Senecio viscosus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 10 November 2015.
  2.  Baynes, T.S.; Smith, W.R., eds. (1880). "Groundsel". Encyclopædia Britannica. 11 (9th ed.). New York: Charles Scribner's Sons. p. 221.
  3. 1 2 Parnell, J. and Curtis, T. 2012. Webb's An Irish Flora. Cork University Press. ISBN 978-185918-478-3
  4. Martin, W.K. 1965. The Concise British Flora in Colour. Ebury Press
  5. Hackney,P. 1992. Stewart & Corry's Flora of the North-east of Ireland. Institute of Irish Studies, The Queen's University of Belfast. ISBN 0-85389-446-9


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