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microspore

A Dictionary of Plant Sciences | 1998 | | © A Dictionary of Plant Sciences 1998, originally published by Oxford University Press 1998. (Hide copyright information) Copyright

microspore
1. The first cell of the male gametophyte generation of angiosperms and gymnosperms (seed plants), later to form the pollen grain.

2. The smaller of the 2 kinds of spore produced by heterosporous (see HETEROSPORY) forms.

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