Show Summary Details

Quick Reference

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.

Subjects: Chemistry — Plant Sciences and Forestry.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.