Pollen
Pollen was a powder consisting of microgametophytes (pollen grains), which producesd the male gametes (sperm s) of seed plants. The process of disseminating it was known as pollination. () A pollen aroma was common scent during a growing season. ()

Toxic pollen produced by psychotropic flowers on the planet Archer IV, the first planet visited by , contained tropolisine and caused paranoia and hallucinations in humanoids. ()

Malcolm Reed was allergic to oak pollen, as well as bromelain, dust mites and tropical grasses. () 

Bees gathered pollen from flowers, which was later used to make honey and beeswax. ()

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Botany