Senecio vulgaris L.
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Senecio vulgaris L., Sp. Pl. 867 (1753)
Senecio vulgaris L.
Nomenclature
L.
L.
1753
867
ICN
Senecio vulgaris L.
species
Senecio vulgaris
Classification
Vernacular names
Descriptions
Senecio vulgaris L.
Erect, annual herb, 10-50 cm tall. Stems moderate to densely hairy when young, becoming glabrous or sparsely hairy, branched or not from base. Basal and lower cauline lvs sparsely to moderately hairy when young, becoming almost glabrous, petiolate or cuneately narrowed to stem; petiole < lamina, somewhat amplexicaul; lamina irregularly toothed to 1-pinnatifid, elliptic, narrow-obovate to oblong, acute, (1)-2-10 × (0.5)-1-3 cm; venation pinnate; segments ovate or oblong, irregularly dentate. Upper cauline lvs becoming smaller, narrower, apetiolate, and usually amplexicaul and toothed at base. Capitula in small panicles, dense at flowering, loose at fruiting. Supplementary bracts 8-21, lanceolate to triangular, 1-2.5 mm long. Involucral bracts (13)-18-21, linear, glabrous, 5.5-8 mm long. Ray florets 0. Disc dull yellow, 2-3-(4) mm diam. Achenes terete or slightly flattened, densely hairy between ribs, 1.8-2.8 mm long; pappus 4-7 mm long.
Taxonomic concepts
Collections
Metadata
6ecc0cf3-b09c-454e-bb79-ef33c03440ef
scientific name
Names_Plants
1 January 2000
16 June 2006