False-colour SEM of Duvalia compacta.

False-colour SEM of Duvalia compacta.

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Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Caption: Flase-colour scanning electron micrograph of the reproductive parts of the carrion flower Duvalia compacta. The five prominent bodies are corona lobes (yellow), the circular structure is called the annulus (orange). Carrion flowers are characterised by their unpleasant smell. Between the corona lobes are pairs of pollinia (hard pollen masses) which catch on the legs of visiting flies attracted by the smell. The next flower to be visited is fertilised following the insertion of the pollinia into a cavity which leads to the stigmatic surface. This is effectively a lock and key mechanism and prevents interbreeding in the wild. Magnification: x4 at 6x4.5cm size.

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Keywords: annulus, botany, carrion flower, corona lobes, duvalia, duvalia compacta, false-coloured, flower, flowering part, nature, parts, plant, plants, pollinium

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