| Kieli | Käännökset |
|---|---|
| suomi | siitepölyhiukkanen |
| Monikko | pollen grains |
(botany) A single male reproductive particle of which the pollen of a plant consists.
Colorized scanning electron microscope image of pollen grains from a variety of common plants: sunflower (Helianthus annuus), morning glory (Ipomoea purpurea), prairie hollyhock (Sidalcea malviflora), oriental lily (Lilium auratum), evening primrose (Oenothera fruticosa), and castor bean (Ricinus communis).