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dicotyledon |
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dicotyledon) The structure of seeds. The castor is a dicotyledon, a plant in which the developing plant has two leaves, developed from the cotyledon. In maize, a monocotyledon, there is a single leaf developed from the scutellum. Major subdivision of the angiosperms, containing the great majority of flowering plants. Dicotyledons are characterized by the presence of two seed leaves, or cotyledons, in the embryo, which is usually surrounded by the endosperm. They generally have broad leaves with netlike veins.
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| ``The dicot grasses are coming through on the trail,'' she said about the two-leaf blades of grass. CF] from samples collected by the dicot (Al, Si, Cl, S, K Ca, Mn, Fe, Zn, Br, Pb, Sr, Cu, and Rb). Inserting foreign genes into plants is not new; scientists have been engineering broad-leaved, dicot plants such as tobacco and tomatoes for more than a decade. |
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dicot
