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Senecio viscosus

From Wikipedia, the free encyclopedia

Senecio viscosus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Senecio
Species:
S. viscosus
Binomial name
Senecio viscosus

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

Description

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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

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

References

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  1. ^ NRCS. "Senecio viscosus". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 10 November 2015.
  2. ^ Baynes, T. S.; Smith, W. R., eds. (1880). "Groundsel" . Encyclopædia Britannica. Vol. 11 (9th ed.). New York: Charles Scribner's Sons. p. 221.
  3. ^ a b 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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