from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The development of a gametophyte directly from a sporophyte without the occurrence of meiosis or spore formation.
from The Century Dictionary and Cyclopedia
- n. In the higher cryptogams, the production of the prothallus immediately from the sporangium without the ordinary intervention of spores, or from the leaf itself, without either sporangium or spore.
Sorry, no etymologies found.
There are three different forms of this asexual reproduction—diplospory, apospory, and adventitious embryogenesis.
This phenomenon of _apospory_ was first discovered in mosses, but is now also known in a number of ferns (see PTERIDOPHYTA).
Higher Education (University +) apospory is The development of a gametophyte directly from a sporophyte without the occurrence of meiosis or spore formation and apogamy is Why do leaves turn colors in the fall but not grass?