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Definition
| above ground parts of plants, then include stems, leaves and flowers. |
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| structures that grow downward and outward through soil, where they absorb water and dissolved ions. |
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| serves basic functions such as photosynthesis and food storage. |
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| moves water and solutes to all plant parts. |
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| covers and protects exposed surfaces |
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| one of the localized zones where dividing cells gives rise to differentiated cell lineages that form all mature plant tissues. |
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| the lengthening of stems and roots during a growing season |
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| a thickening of older stems and roots |
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| seed leaves, are leaf-like structures that form insides seeds as part of the plant embryo. |
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| makes up most of the soft moist primary grown of roots, stems, leaves and flowers. |
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| a stretchable tissue that can support rapidly growing parts suck as young stems and leaf stalks. |
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| dead at maturity, but this tissure resists compression from lignin in the cell walls that are left behind. |
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Definition
| vascular tissue, conducts water and dissolved mineral ions, and structurally supports plants. |
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| vascular tissue, conducts sugars and other organic solutes |
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| dermal tissue, usually in a single layer of cells. |
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Definition
| usually secrete cutin, a waxy substance,onto their outward facing wall. |
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Definition
| replaces the epidermis in wood stems and roots |
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Definition
| forms when a pair of guard cells swell and change shape. |
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Definition
| forms at a shoot tip and is the main zone of primary growth |
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Definition
| also called axillary buds are dominant shoots of mostly meristematic tissue. |
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Definition
| the cells of primary xylem and phloem form inside the same cylindrical sheath of cells, as distinctively long, vascular bundles. |
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| surface tissue may be smooth, sticky, or slimy with hairs, scales, spikes hooks, glands, and other specializations. |
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| a photosynthetic parenchyma in which the individual cells are exposed to air spaces. |
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| vascular bundles, usually strengthened with fibers. |
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| epidermal cells send out extensions. |
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Definition
| consists primary xylem and phloem inside a pericycle; one of more layers of parenchyma cells. |
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Definition
| a layer cells are waterproofed, so water must pass through the cytoplasm of these cells to reach the vascular cylinder. |
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Definition
| lateral branching of adventitious roots arising from a new system. |
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Definition
| composed of parenchyma and cork as well as the cork cambium that produces it. |
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Definition
| periderm and secondary phloem. bark consists of living cells and dead tissues on the outside of vascular cambium. |
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Definition
| component of bark has densely packed rows of cells, each with a wall thickened by a fatty substance called suberin. |
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Definition
| a dry tissue that no longer transports water and solutes but helps the tree defy gravity. |
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Definition
| all of the secondary growth in between the vascular cambuim and heartwood. |
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Definition
| the combination of early wood (large diameter, thing walled cells, starts forming with the first rains of the growing season) and late wood (forms in dry summers and has small diameter, thick walled xylem cells) |
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Term
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Definition
| their xylem has tracheids and rays of parenchyma, but no vessels or fibers |
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