european goldenrod (solidago virgaurea). habit during anthesis

asteraceae compositae solidago virgaurea alternate anthesis capitulum corolla disc floret flower habit head inflorescence involucral bract involucre leaf ligulate panicle peduncle phyllary radiate ray simple stem synflorescence thyrsoid tubular european goldenrod woundwort virgaurea virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals