Irish wildflowers sitemap




Ragwort
Senecio jacobaea
Buachalán buí
Family: Asteraceae

Flowering time: June-October. Biennial. Native.

Bright yellow flower heads in dense corymb. Numerous ray florets. Deeply-pinnate basal and stem leaves with toothed segments. Leafy stems. Hairless or slightly woolly plant. Fresh plant contains poisonous alkaloids - avoided by grazing animals. Important food source for caterpillars of Cinnabar Moth (below). Height 30-140cm.

Very common, grassland, wasteland, roadsides, dunes.

Similar: Marsh Ragwort, S. aquaticus
     
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