heterospory
heterospory The production of spores of 2 different types on the same plant. Microspores are small and numerous; from these the male gametophytes develop. Megaspores, within which the female gametophytes develop, are larger and fewer. Compare HOMOSPORY; See also MICROSPORANGIUM.
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Dioecious Plant , dioecious Possessing male and female flowers or other reproductive organs on separate, unisexual, individual plants. See also ANDROECIUM; Compare MON… Monoecious , monoecious
1. Applied to an organism in which separate male and female organs occur on the same individual (e.g. to a plant which bears male and fema… Male , male
1. Denoting the gamete (sex cell) that, during sexual reproduction, fuses with a female gamete in the process of fertilization. Male gametes are… Archegonium , Skip to main content
archegonium
archegonium (pl. archegonia) The multicellular flask-shaped female sex organ of bryophytes, clubmosses, horsetails,… Chemotaxonomy , chemotaxonomy The classification of plants and microorganisms based on similarities and differences in their natural products and the biochemical pat… Pollen Tube , pollen tube The tube formed from a germinating pollen grain, and down which the 2 male gametes (sperm nuclei) pass to the ovum. In flowering plants e…
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heterospory