groundsel (senecio vulgaris). synflorescence closeup

asteraceae compositae senecio vulgaris anthesis capitulum disc floret floccose flower head indumentum inflorescence involucral bract involucre lax pedicel phyllary stigma style subcorymbose synflorescence tomentose tubular groundsel oldmaninthespring vulgaris closeup virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals