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| Any of various plants, such as the ferns and seed-bearing plants, in which the phloem transports sugar and the xylem transports water and salts. |
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| Any of various plants that lack vascular tissue; a bryophyte. |
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| a compound tissue in vascular plants that helps provide support and that conducts water and nutrients upward from the roots, consisting of tracheids, vessels, parenchyma cells, and woody fibers. |
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| the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant. |
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| A plant, such as a cycad or conifer, whose seeds are not enclosed within an ovary. |
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| A plant whose ovules are enclosed in an ovary; a flowering plant. |
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| a monocotyledonous flowering plant; the stem grows by deposits on its inside |
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| A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination. |
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| a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture. |
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| A bud, young leaf, or other new growth on a plant. |
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| the ovule-bearing or seed-bearing female organ of a flower, consisting when complete of ovary, style, and stigma. |
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| the part of a pistil that receives the pollen. |
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| the part of a pistil that receives the pollen. |
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| a narrow, usually cylindrical and more or less filiform extension of the pistil, which, when present, bears the stigma at its apex. |
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| the enlarged lower part of the pistil in angiospermous plants, enclosing the ovules or young seeds. |
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| the pollen-bearing organ of a flower, consisting of the filament and the anther. |
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| the pollen-bearing part of a stamen. |
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| the stalklike portion of a stamen, supporting the anther. |
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| one of the often colored segments of the corolla of a flower. |
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| one of the individual leaves or parts of the calyx of a flower. |
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| a very thin hyaline film covering the surface of plants, derived from the outer surfaces of the epidermal cells. |
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| a thin layer of cells forming the outer integument of seed plants and ferns. |
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| the upper layer of ground tissue in a leaf, consisting of elongated cells beneath and perpendicular to the upper epidermis and constituting the primary area of photosynthesis. |
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| the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces. |
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| any of various small apertures, esp. one of the minute orifices or slits in the epidermis of leaves, stems, etc., through which gases are exchanged. |
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| Alteration of Generations |
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| the alternation in an organism's life cycle of dissimilar reproductive forms, esp. the alternation of sexual with asexual reproduction. |
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| In plants, a specialized cell on the undersurface of leaves for controlling gas exchange and water loss Tiscali Quicklinks. |
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