Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Producing two types of spores differing in size and sex.
from The Century Dictionary.
- Having more than one kind of asexually produced spores: applied to the vascular cryptogams, which have macrospores or megaspores (female spores) homologous with the embryo-sac of phanerogams, and microspores (male spores) homologous with the pollen-grains of phanerogams.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective botany, of an organism Producing both
male andfemale gametophytes .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective characterized by heterospory
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
hetero- + -sporous
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Examples
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The development of the microsporangia and the contained spores (pollen-grains) is closely comparable with that of the microsporangia in Gymnosperms or heterosporous ferns.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various
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