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| Durable polymer layer preventing exposed zygotes from drying out, found in charophytes. |
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| Multicellular organs that produce spores within a sporophyte. Singular is "Sporangium". |
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| Diploid cells within sporangium, spore mother cells that go through meiosis and generate he haploid spores. |
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| Multicellular organ that produces gametes. |
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| Female gametangia, singular is achegonium. |
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| Male gametangia, singular is antheridium. |
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| Where growth in length is sustained throughout the plant's life, regions at growing tips of the plant body where one or more cells divide repeatedly. Here they differentiate into the outer epidermis and various types of internal tissues. Also generate leaves. |
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| Consists of wax and other polymers. Acts as waterproofing, preventing excessive water loss and some protection from microbial attacks. |
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| Specialized pores, support photosynthesis by allowing exchange of Carbon Dioxide and Oxygen between the air and plant. Singular is "Stoma". In hot, dry conditions these close. |
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| Cells joined into tubes that transport water and nutrients throughout the plant body. |
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| Plants with complex vascular tissue systems. |
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| Informal name for nonvascular plants. Greek; Bryon-moss, Phyton-plant. |
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| One clade of vascular plants consisting of club mosses and their relatives. Lack seeds. |
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| One clade of vascular plants, Ferns and their relatives. Lack seeds. |
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| Monilophytes and lycophytes, two clades that lack seeds and have vascular systems. |
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| An embryo packaged with a supply of nutrients inside a protective coat. |
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| One of two groups/clade of seeded plants, these plants don't have seeds enclosed in chambers, and are known as "naked seed" plants. Greek; Gymnos-naked, sperm-seed. |
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| One of two groups of seeded plants, huge clade of all flowering plants inside chambers that originate within the flowers. Nearly 90% of living plant species. Greek; Angio-container, sperm-seed. |
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| One of the three representatives of bryophytes and from the phylum Heptatophyta |
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| One of the three representatives of bryophytes and from the phylum Bryophyta |
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| One of the three representatives of bryophytes and from the phylum Anthocerophyta |
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| A cell containing only one set of chromosomes |
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| A cell containing two sets of chromosomes (2n), one set is inherited from each parent. |
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| Once-cell-thick filaments produced by germinating moss spores that are green and branched with large surface area to absorb water and minerals. |
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| A game-producing structure generated by bud-like growths that have apical meristem. |
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| Long, tubular single cells (in liverworts and hornworts) or filaments of cells (in mosses). Help to anchor gametophytes. |
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