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| a group of seed plants characterized by a large crown of compound leaves and a stout trunk; palmlike |
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| The phylum that includes ginkgo biloba |
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| A botanical name for a taxon within kingdom Plantae that includes the conifers |
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| gymnospermous flowering plants; supposed link between conifers and angiosperms |
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| the male cone that produces pollen |
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| a plant structure that produces microspores |
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| smaller of the two types of spore produced in heterosporous plants; |
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| the microspores that carry the male gametophyte of seed plants |
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| minute opening in the wall of an ovule through which the pollen tube enters |
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| nucleus in a pollen grain that becomes 2 sperm |
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| nucleus in a pollen grain that forms a tube for fertilization of the egg |
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| the female cone in gymnosperms, contains eggs |
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| minute opening in the wall of an ovule through which the pollen tube enters |
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| a small body that contains the female germ cell of a plant |
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| an outer protective covering such as the skin of an animal or a cuticle or seed coat or rind or shell |
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| The tissue which surrounds and protects the embryo and lies inside of the integuments |
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| In the seed cone and in the ovary of a flower, a diploid cell destined to undergo meiosis and form four haploid magaspores |
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| embryonic leaf in a seed bearing plant |
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