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| the growing part of a plant above the ground |
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| the small swelling that is the part of a plant stem from which one or more leaves emerge |
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| the expanded portion of a leaf or frond |
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| the slender stem that supports the blade of a leaf |
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| The acute angle formed by a branch growing out from a stem or a leaf growing from a branch. |
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| lies at the junction of the stem and petiole of a plant. |
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| a small leafy outgrowth at the base of a leaf or its stalk; usually occurring in pairs and soon shed |
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| the bud at the tip of a plant stem. |
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| protective covering over bud |
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| the mark left on the twig at the point of attachment of a leafstalk when the leaf falls |
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| Within each leaf scar there are one or more bundle scars, each representing a cross-section of vascular bundles that ran from the branch into the petiole when the leaf was attached. The number, shape and pattern of bundle scars can be used to help identify some species. |
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| one of many raised pores on the stems of woody plants that allow the interchange of gas between the atmosphere and the interior tissue |
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| A region of actively dividing cells at the tip of a growing stem or root. |
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| the zone directly behind the root cap in an apical meristem where cells divide to form new tissue |
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| A meristem is a tissue in all plants consisting of undifferentiated cells that gives rise to the roots and shoot |
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Definition
| A meristem is a tissue in all plants consisting of undifferentiated cells that gives rise to the roots and shoot (same as protoderm?) |
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| A primary meristem of roots and shoots that forms the vascular tissue |
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Definition
| the outer layer of the skin covering the exterior body surface of vertebrates |
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| The tissue that makes up most of the primary body of a plant; consists of parenchyma, collenchyma and sclerenchyma cells. |
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| tissue that conducts water and nutrients through the plant body in higher plants |
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| Young leaves, recently formed by the shoot apical meristem, located at the tip of a shoot. |
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| A tissue composed of living, thin-walled cells that can continue to divide even when mature; |
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| A supporting tissue just under the surface of various leaf structures formed before vascular differentiation |
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| A mechanical, supportive plant tissue consisting of aggregates of cells having thick, often mineralized walls |
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| Pair of cells which surround a stomate and regulate its size by altering their shape. |
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| a gas exchange pore in plants |
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| leaves adapted to a wet environment |
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| leaves adapted to a dry environment |
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| being or growing in or adapted to a moderately moist environment |
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| Parenchyma cells in the leaf mesophyll characterized by uniform rows of tightly packed cells with many chloroplasts beneath the upper epidermis. |
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| occur on the roots of plants that associate with symbiotic bacteria. |
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| Bacteria in a symbiotic relationship with leguminous plants that results in nitrogen fixation |
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| Elongated cells that emerge from the roots like hairs. Their function is to absorb water and nutrients from the soil. |
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| The tip of a root containing cells which protect the growing meristem. |
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