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Definition
| The period after the last frost in the spring and before the first frost in the fall. |
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| The artificial application of water to meet plant growth needs. |
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Definition
| The length of the light period in a day. |
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Definition
| The sequence of changes the plant goes through from its inception to reproductive maturity. |
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Definition
| A plant species that completes its life cycle in one growing season. |
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Definition
| A plant that lives two seasons. |
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Definition
| A plant that lives for more that two seasons. |
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Definition
| An organ on a plant stem that is usually green. |
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Definition
| The part of a leaf that is large and flat, and is where photosynthesis usually occurs. |
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Definition
| The part of a leaf that distributes water. |
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Definition
| The outer surface of a leaf. |
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Definition
| Tiny holes or openings in the stomata. |
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Definition
| The arrangement of veins. |
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Definition
| Various kinds of spongy and tall cells that fill the space between the two layers of the epidermis and veins. |
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Definition
| The part of a leaf that attatches it to the plant. |
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Definition
| Structure that may grow where the petiole joins the stem. |
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Definition
| A leaf with only one blade. |
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Definition
| A leaf divided into two or more leaflets. |
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Definition
| A pattern of leaf attachment where one leaf is located at each node on a stem. |
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Definition
| A pattern of leaf attachment where two leaves are attached at a node opposite each other. |
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Term
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Definition
| A pattern of leaf attachment where three or more leaves are attached at each node. |
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Definition
| The structure that supports the leaves. |
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Definition
| A stem that grows above the ground. |
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Definition
| A stem that grows below the ground. |
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Definition
| An enlarged underground stem. |
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Term
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Definition
| An underground stem that has layers resembling leaves. |
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Definition
| An underground stem that is similar to a bulb, but that has thinner leaves and a thicker stem. |
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Definition
| A long underground stem that sends up shoots to start new plants. |
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Term
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Definition
| A stem with a woody tissue known as xylem. |
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Term
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Definition
| A nonwoody stem that is soft and green and that contains only a small amount of xylem. |
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Term
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Definition
| The outer skin that protects the stem from injury and holds is together. |
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Definition
| The primary tissue in a stem. |
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Definition
| Transports sugar throughout a plant. |
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Definition
| Where growth occurs in a woody stem. |
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Definition
| The part of a woody stem that conducts absorbed water and other substance from the roots to the leaves for food production. |
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Term
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Definition
| The middle part of a stem that stores moisture and food. |
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Definition
| The part of a plant that usually grows underground. |
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Definition
| One large root that grows downward. |
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Definition
| Made of many small roots that spread out in the soil. |
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Definition
| The first root to grow from the seed. |
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Definition
| Roots that branch from the primary root. |
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Definition
| A small, hairlike growth that helps anchor a root. |
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Definition
| The tip of a root that protects the root as it grows into the soil. |
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Definition
| The movement of liquid from a greater concentration to a lesser concentration. |
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Term
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Definition
| The process of the leaves of a plant giving off water. |
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Definition
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Definition
| The growth or turning of a plant in the direction of light. |
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Definition
| The downward growth of roots. |
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Definition
| The growth of plants over and around solid objects. |
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