Authors: C. Stace, R. van der Meijden (ed.) & I. de Kort (ed.)
Scientific name:

Senecio cineraria

Vernacular name:

Ragwort, Silver

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Silver Ragwort

Scientific name: Senecio cineraria DC.

Diagnostic features
Densely silvery-pubescent spreading perennial to 1m, with stems woody at least below.
Leaves deeply pinnately lobed, all but upper ones petiolate.
Ligules 10-13, 3-6mm, yellow.

Chromosome number: (2n=40).

Introduced-naturalized; on cliffs and rough ground mostly near sea.

South & Southwest England, Wales, Channel Islands, Co Dublin.


This species is keyed out on Page 1046 in the Text Key.

Not to be confused with the pot-plant Cineraria (Pericallis hybrida).

- Senecio x albescens Burb. & Colgan (= Senecio cineraria x Senecio jacobaea) occurs ± throughout the range of naturalized Senecio cineraria in British Isles and (from cultivated Senecio cineraria) scattered North to Dunbarton; it is intermediate in pubescence, leaf-shape and habit but has pubescent disc-achenes as in Senecio jacobaea. It is fertile and backcrosses, forming a range of intermediates.
- Senecio x thuretii Briq. & Cavill. (= Senecio cineraria x Senecio erucifolius) (Synonym: Senecio x patersonianus R.M. Burton) was found in East Kent in 1978; it differs from Senecio x albescens in having supplementary phyllaries c.1/3 (not up to 1/4) as long as the main ones and sometimes (?always) having short stolons.

Senecio cineraria (Ragwort, Silver)
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Ragwort, Silver
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