St. John's wort flower bud. Light micrograph of a section through a St. John's wort (Hypericum perforatum) flower bud. From outer to centre: five sepa

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St. John's wort flower bud. Light micrograph of a section through a St. John's wort (Hypericum perforatum) flower bud. From outer to centre: five sepals (green); five petals (green); numerous anthers, each with four pollen sacs full of pollen (red); pistil and style (green). Magnification: x3, when printed 10 centimetres wide.

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Size: 4873px × 3898px
Photo credit: © DR KEITH WHEELER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: anatomical, anatomy, angiosperm, angiosperms, anther, anthers, background, biological, biology, botanical, botany, bud, cell, cells, flora, flower, histological, histology, hypericum, johnss, light, micrograph, microscope, nature, part, parts, perforatum, petal, petals, pistil, plant, plants, pollen, reproductive, sac, sacs, section, sectioned, sepal, sepals, st, structure, style, tissue, tissues, transverse, white, wildlife, wort