Sunflower petal, ESEM

Sunflower petal, ESEM

C037/0532 Rights Managed

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Sunflower petal with two pollen grains (Helianthus sp.), coloured environmental scanning electron micrograph (ESEM). Magnification: x365 when shortest axis printed at 25 millimetres.

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Keywords: allergen, allergenic pollen, allergic, asteraceae, asterales, astereae, asterid, asterids, black and white, capitula, capitula flower, capitula flowers, compositae, composite flower, cross pollination, daisy flower, daisy pollen, esem, eudicot, eudicots, exine, flower petal, flower petals, heliantheae, helianthoideae, helianthus annuus, monochrome, plant pollen, plant reproduction, plants, pollen wall, sun flower, sunflower, sunflower petal

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