Sulphur cinquefoil in UV light

Sulphur cinquefoil in UV light

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This image is part of the feature Uv Flowers


Caption: Sulphur cinquefoil in UV light. Sulphur cinquefoil (Potentilla recta) flower in ultraviolet (UV) light. The bull's-eye UV pattern is a result of the flower either reflecting UV (light areas) or absorbing UV (dark areas). This pattern is known as a 'nectar guide' and is thought to attract insect pollinators that can see in UV light. This image was taken on a digital camera adapted to filter and detect UV light. The resulting image appears monochrome since UV light has no true colour. See image B830/3456 for the same flower seen in daylight.

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Keywords: biological, biology, black-and-white, botanical, botany, bull's eye, bull's-eye, bulls eye, electromagnetic spectrum, european, false-coloured, flora, floral, flower, fluoresce, fluorescence, fluorescing, honey guide, inflorescence, mark, marks, monochrome, nature, nectar guide, one, petal, petals, plant, plants, pollination, potentilla recta, rosaceae, single, spectrum, sulfur, sulphur cinquefoil, ultraviolet, uv, uv absorbance, uv absorbing, uv pattern, uv photography, uv reflectance, uv reflecting, yellow flower

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