groundsel (senecio vulgaris). flowering capitulum closeup

asteraceae compositae senecio vulgaris androecium anther capitulum connate disc floret filament floccose flower gynoecium head indumentum inflorescence involucral bract involucre pedicel phyllary pistil pollen stamen stigma style tomentose tubular groundsel oldmaninthespring vulgaris flowering closeup virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals