megaspore
Term Information
- Accession
- PO:0020019
- Aspect
- plant anatomy
- Synonyms
- related: macrospore
- narrow: Poaceae megaspore
- narrow: Zea megaspore
- alt_id: PO:0006464
- alt_id: PO:0006494
- exact: megaspora (Spanish)
- exact: 大胞子 (Japanese)
- Definition
- The larger, in general, of the two kinds of spores produced after meiosis in the life cycle of a heterosporous plant, and on germination giving rise to the female gametophyte (embryo sac). [source: APweb:Glossary]
- Comment
- If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the corresponding floret type. Choose the most specific term possible from: spikelet floret (PO:0009082), ear floret (PO:0006354), upper floret of pedicellate spikelet of ear (PO:0006350), upper floret of sessile spikelet of ear (PO:0006352).
Back to top
External References
None.