from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A leaflike structure that bears megasporangia.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
sporophyllthat bears megasporangia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun in non-flowering plants, a sporophyll that bears only megasporangia
from Wiktionary, Creative Commons Attribution/Share-Alike License
These, as in Gymnosperms, are of two kinds, microspores or pollen-grains, borne in the stamens (or microsporophylls) and megaspores, in which the egg-cell is developed, contained in the ovule, which is borne enclosed in the carpel (or megasporophyll).