pollen grains
Plant reproductive particles
Pollen grains are the tiny particles produced by flowering plants and conifers that contain male reproductive cells.
Each grain is a single unit of pollen, though the plural form is standard since pollen rarely appears as individual particles: Pollen grains were visible under the microscope.
The singular pollen grain appears mainly in scientific contexts describing structure or function.
- ragweedHighly allergenic flowering plant
- stamenPollen-producing flower organ
- antherPollen-producing structure
- gametophyteHaploid reproductive generation
- gymnospermExposed-seed plant
allergy season · microfossils · hay fever · allergies · buzzing · hives · sneeze · itchy eyes · nasal spray · fertilization · botanist · flowers · bees · windborne · germination · spring · flowering plants · paleobotany
- allergiesallergy, allergies, allergen, allergens, allergist
- pollinationbees, hummingbirds, bee, wasps, ants
- small particlesice crystals, sawdust, quinoa, couscous, bread crumbs
- microscope viewscell structure, diatoms, DNA helix, chromosomes, mitochondria
- pollenaperture, pore, columella, prolate, oblate
- bioremainsbones, teeth, seeds, shells, hair
grains, pollen, pollination, pollinate, pollinator, pollens, pollinated, pollinating, pollen grain