Senecio viscosus

Tracheophyta MagnoliopsidaAsteraceaeSenecioSenecio viscosus

Ecology

An annual of free-draining disturbed substrates including sands, gravels and cinders, found on roadsides, banks, wall-tops, pavements, railway ballast, coastal shingle and dunes, in gravel-pits, and on open rough and waste ground. 0-430 m (Nenthead, Cumberland).

Status

Neophyte

World Distribution

A European Temperate species which has spread markedly in W. & N. Europe in recent centuries.

© P. Shannon

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 1

January Mean Temperature (Celsius): 3.4

July Mean Temperature (Celsius): 15.1

Annual Precipitation (mm): 920

Height (cm): 60

Perennation - primary

Annual

Life Form - primary

Therophyte (annual land plant)

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 1747

Count of 10km squares in Ireland: 69

Count of 10km squares in the Channel Isles: 1

Atlas Change Index: 0.63

Weighted Changed Factor: -3

Weighted Change Factor Confidence (90%)

24

JNCC Designations

NBNSYS0000004370

Atlas text references

Atlas (272b)
Akeroyd JR, Warwick SL, Briggs D
1978.  Variations in four populations of Senecio viscosus L. as revealed by a cultivation experiment. New Phytologist. 81:391-400.
Grime JP, Hodgson JG, Hunt R
1988.  Comparative Plant Ecology.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger EJ
1992.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 3. 2 vols.
Salisbury EJ
1964.  Weeds & Aliens, edn 2.