centaurea calcitrapa

acanthium april arvense background black brown calcitrapa centaurea cichoracea cirsium close composite crepis crepris flower flowering four galactites garden green grey illyricum incarnata italy jacea june leaf light macro marianum may nature onopordum pattern petal pistil pollen rubra scabiosa september serratula shadow silybum spring stem taurucum texture tinctoria tomentosa violet wild