Cotton thistle (Onopordum acanthium).

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Size: 3450px × 5175px
Photo credit: © BJORN SVENSSON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acanthium, biological, biology, blue, botanical, botany, cotton, flora, flower, flowering, flowers, nature, onopordum, plant, scotch, sky, spike, spikes, spiky, thistle, thorn, thorny, wild, wildflower, wildflowers