Burdock seed pod (Arctium sp.), SEM

Burdock seed pod (Arctium sp.), SEM

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Caption: Velcro-like hooks on the surface of a burdock seed pod (Arctium minus), coloured scanning electron micrograph (SEM). Arctium is a genus of biennial plants, commonly known as burdock or burweed, in the family Asteraceae. Budock seeds are dispersed by animals. Velcro was developed after a study of the burdock seed revealed curved, hooked seed hairs on its surface. This curved hook design was used in the development of Velcro. Magnification: x52 when shortest axis printed at 25 millimetres.

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Keywords: arctium, arctium minus, asteraceae, asterales, burdock seed, burweed, colored, coloured, common burdock, curved hook, curved hooks, false-colored, false-coloured, hook, hooks, lesser burdock, plants, scanning electron micrograph, seed hook, seed hooks, sem

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