summer ragwort (ligularia dentata). synflorescence closeup

asteraceae belarus flora compositae ligularia dentata androecium anther anthesis arachnoid black background botanical science botany bract capitulum closeup connate corolla corymb disc floret filament flower focus stacking inflorescence gynoecium head hemispheric imbricate involucral involucre leopardplant ligulate ligule macro nature peduncle phyllary pistil plants pollen puberulent ray stamen stigma style summer ragwort synflorescence tubular uniseriate virtual herbarium