Sunflower petal with two pollen grains (Helianthus sp.), coloured environmental scanning electron micrograph (ESEM). Magnification: x365 when shortest

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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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Size: 2950px × 2950px
Photo credit: © DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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