Evening primrose in UV light

Evening primrose in UV light

B828/0590 Rights Managed

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This image is part of the feature Uv Flowers


Caption: Evening primrose in UV light. Photograph of an evening primrose (Oenothera biennis) flower coloured to show areas that reflect (white) or absorb (red) ultraviolet (UV) light. The bull's- eye pattern, known as a 'nectar guide', is thought to help attract pollinating insects, which can see in UV light. This image was taken on a digital camera adapted to filter and detect UV light. The resulting monochrome image was coloured on a computer. UV light is invisible to humans and does not have a true colour. See image B828/589 for normal daylight version.

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Keywords: biological, biology, botanical, botany, bull's eye, bull's-eye, bulls-eye, coloured, electromagnetic spectrum, european, evening primrose, false-coloured, flora, floral, flower, honey guide, inflorescence, mark, marks, nature, nectar guide, oenothera biennis, onagraceae, one, petal, petals, plant, plants, pollination, single, spectrum, ultraviolet, uv, uv absorbance, uv absorbing, uv pattern, uv photography, uv reflectance, uv reflecting

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