Close-up of the central disc of a ripened sunflower, helianthus, with a 50:50 vertical split of seeds in place and seeds gone.

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Size: 4000px × 3000px
Location: Oxfordshire, England, UK
Photo credit: © Kay Ringwood / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, asteraceae, autumn, bird, capitula, crop, disc, dried, fibonacci, florets, flower-head, food, growth, helianthus, hulls, natural, nature, oil, pattern, patterns, plant, seeds, sequence, shells, spiral, sunflower