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8 Cards in this Set
- Front
- Back
Pericycle
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A thin layer of lateral meristematic cells that surrounds the vascular cylinder.
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Annual
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– Describes plants that complete their entire life cycle, from seed to reproduction to death, in one year.
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Perennial
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Describes plants that grow and reproduce repeatedly for many years.
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Cork cambium
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A lateral meristem formed by the pericycle in dicots over two years old.
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Cork
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Describes the cells produced by the cork cambium that eventually form a layer of dead cells that provide a protective covering for roots over two years old. Cork also describes the protective layers.
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Herbaceous
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Describes the fleshy stems of annual plants. These stems usually do not survive more than one year, especially if there is a cold winter. They are also called nonwoody stems.
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Woody
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Describes stems of perennial plants. The increase in diameter each year as more and more vascular tissue is created. The xylem cells, even after they have died, create the hard, woody tissue called wood
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Annual ring
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The increase in the amount of secondary xylem during one year. The number of annual rings indicates the age of the woody plant
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