microspore

(krō spôr′)

noun

a haploid spore, usually smaller than a megaspore of the same plant, which gives rise to a male gametophyte: found in all seed plants, where it is an immature pollen grain, and in many lower vascular plants

Related Forms:

See microspore in American Heritage Dictionary 4

noun
Botany
The smaller of two types of spores that give rise to a male gametophyte.

Related Forms:

  • miˌcro·spoˈric, miˌcro·spoˈrous (mīˌkrə-spôrˈəs, -spōrˈ-, mī-krŏsˈpər-əs) adjective

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