Yellow chamomile pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from a yellow chamomile (Cota tinctoria) flower, showing

---

Yellow chamomile pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from a yellow chamomile (Cota tinctoria) flower, showing its highly sculpted outer wall (exine), which may assist in dispersal. Pollen grains are the male sex cells of a flowering plant. Their characteristic surface is used by botanists to recognise and classify plants. Magnification: x670 when printed at 10 centimetres wide.

---

Size: 4503px × 3881px
Photo credit: © EYE OF SCIENCE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1, angiosperm, angiosperms, anthemis, befruchtung, biological, biology, botanical, botany, cell, cells, chamomile, colored, coloured, cota, cut, cut-, cut-outs, cutout, cutouts, dispersal, electron, exine, false-colour, false-coloured, flora, gamete, gametes, golden, grain, grains, kulturpflanze, luteolin, male, marguerite, micrograph, microscope, nature, outer, outs, oxeye, pollen, reproduction, reproductive, scanning, sem, sex, single, tinctoria, wall, wildlife, yellow, ärberkamille, ärberpflanze