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16 Cards in this Set

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Angiosperm
A plant having its seeds in an ovary; a flowering plant
Monocot
an angiospermous plant of the class Monocotyledones, characterized by producing seeds with one cotyledon and an endogenous manner of growth.
Dicot
any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth.
Xylem
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
Phloem
the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant.
Taproot
a main root descending downward from the radicle and giving off small lateral roots
Fibrous root
a root, as in most grasses, having numerous, very fine branches of approximately the same length
Apical Dominance
suppression of the development of lateral buds in a growing plant shoot, caused by hormones produced in the tip of the shoot
Petiole
the slender stalk by which a leaf is attached to the stem; leafstalk
Blade
the broad part of a leaf, as distinguished from the stalk or petiole
Parenchyma
the fundamental tissue of plants, composed of thin-walled cells able to divide
Collenchyma
a layer of modified tissue consisting of cells that are thickened at the angles and usually elongated
Meristem
embryonic tissue in plants; undifferentiated, growing, actively dividing cells
Root Cap
A thimble-shaped mass of cells that covers and protects the root tip
Stele
the central cylinder or cylinders of vascular and related tissue in the stem, root, petiole, leaf, etc., of the higher plants
Cortex
the portion of a stem between the epidermis and the vascular tissue; bark