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| a plant living only one year or season. |
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| a system of nomenclature in which each species is given a unique name that consists of a generic and a specific term. |
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| any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the supporting tissues of plants and are important food for animals and people. |
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| the division of a cell in reproduction or growth. |
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| the semipermeable membrane enclosing the cytoplasm of a cell. |
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| the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell. |
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| a plastid containing chlorophyll. |
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| a leaf composed of a number of leaflets on a common stalk, arranged either palmately, as the fingers of a hand, or pinnately, as the leaflets of a fern; the leaflets themselves may be compound. |
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| the cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles. |
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| the rudimentary plant usually contained in the seed. |
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| nutritive matter in seed-plant ovules, derived from the embryo sac |
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| a thin layer of cells forming the outer integument of seed plants and ferns. |
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| The root system of a plant provides it with the nutrients the plant needs to flourish and stay healthy. |
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a root, as in most grasses, having numerous, very fine branches of approximately the same length.
a root system that consists of very fine branches. |
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| the part of a seed plant comprising the reproductive organs and their envelopes if any, especially when such envelopes are more or less conspicuous in form and color. |
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Definition
| to develop into a plant or individual, as a seed, spore, or bulb. |
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| having the texture, color, etc., of an ordinary foliage leaf. |
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| a lateral outgrowth from a plant stem that is typically a flattened expanded variably shaped greenish organ, constitutes a unit of the foliage, and functions primarily in food manufacture by photosynthesis |
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| any of various substances that are soluble in nonpolar organic solvents, that are usually insoluble in water, that with proteins and carbohydrates constitute the principal structural components of living cells, and that include fats, waxes, phosphatides, cerebrosides, and related and derived compounds |
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Definition
| embryonic tissue in plants; undifferentiated, growing, actively dividing cells. |
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| a central part about which other parts are grouped or gathered; core |
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| nourishing; providing nourishment or nutriment. |
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| a specialized part of a cell having some specific function; a cell organ. |
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| a columnar cell of palisade parenchyma. |
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| one of the often colored segments of the corolla of a flower. |
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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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| the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll. |
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Definition
| the ovule-bearing or seed-bearing female organ of a flower, consisting when complete of ovary, style, and stigma. |
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| the soft, spongy central cylinder of parenchymatous tissue in the stems of dicotyledonous plants. |
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Definition
| the transfer of pollen from the anther to the stigma. |
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Definition
| the protein that is produced in pollen |
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| the act of respiring; inhalation and exhalation of air; breathing. |
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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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| an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil. |
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Definition
| the fertilized, matured ovule of a flowering plant, containing an embryo or rudimentary plant. |
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| The outer protective covering of a seed. |
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| one of the individual leaves or parts of the calyx of a flower. |
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| a leaf that is not divided into parts |
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| the pollen-bearing organ of a flower, consisting of the filament and the anther. |
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| the stalk that supports a leaf, flower, or fruit. |
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| a main root descending downward from the radicle and giving off small lateral roots. |
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| the normal distention or rigidity of plant cells, resulting from the pressure exerted by the cell contents on the cell walls. |
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Definition
| a membrane-bound cavity within a cell, often containing a watery liquid or secretion. |
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| one of the system of branching vessels or tubes conveying blood from various parts of the body to the heart. |
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Definition
| 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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