Goosegrass bur tangled in wool

Goosegrass bur tangled in wool

B790/0016 Rights Managed

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Caption: False-colour scanning electron micrograph of a hooked fruit of cleavers or goosegrass, Galium aparine, entangled in Shetland wool. Commonly known as a burr, the fruit contains a single seed. It is dispersed by means of the barbs on its surface, which attach to animal fur or human clothing & are thus transported far & wide. The fruit may also pass undamaged through the digestive system of some animals. The synthetic material used in the clothing industry as a fastener, is based on the same principle as the burr. Magnification: x5 at 35mm size. Green tint ("leech"). Original is BW B790/006. Reference: MICROCOSMOS, figure 9.7, page 179.

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Keywords: barbs, botany, bur, cleavers, fruit, galium aparine, goosegrass, hooked, nature, part, parts, plant, plants, reproduction, reproductive, seed, structure

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