A watercolor illustration of a single brown onion with translucent papery layers and visible root tendrils positioned centrally against a pure white background. The onion is depicted in a botanical illustration style with precise linework showing the bulb's rounded form, dried outer skin, and fibrous roots spreading outward. Delicate watercolor washes in shades of golden brown and pale yellow highlight the onion's natural contours and textures. Traditional botanical watercolor illustration with precise linework and controlled transparent paint layers on white paper.
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