Definition of cotyledon

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Cotyledon (n.) One of the patches of villi found in some forms of placenta.

Lern More About Cotyledon

Plumule :: Plumule (n.) The first bud, or gemmule, of a young plant; the bud, or growing point, of the embryo, above the cotyledons. See Illust. of Radicle..
Acotyledon :: Acotyledon (n.) A plant which has no cotyledons, as the dodder and all flowerless plants..
Dictyogen :: Dictyogen (n.) A plant with net-veined leaves, and monocotyledonous embryos, belonging to the class Dictyogenae, proposed by Lindley for the orders Dioscoreaceae, Smilaceae, Trilliaceae, etc..
Pith :: Pith (n.) The soft spongy substance in the center of the stems of many plants and trees, especially those of the dicotyledonous or exogenous classes. It consists of cellular tissue..
Pseudo-monocotyledonous :: Pseudo-monocotyledonous (a.) Having two coalescent cotyledons, as the live oak and the horse-chestnut..
Syncretic :: Syncotyledonous (a.) Having united cotyledonous.
Endogen :: Endogen (n.) A plant which increases in size by internal growth and elongation at the summit, having the wood in the form of bundles or threads, irregularly distributed throughout the whole diameter, not forming annual layers, and with no distinct pith. The leaves of the endogens have, usually, parallel veins, their flowers are mostly in three, or some multiple of three, parts, and their embryos have but a single cotyledon, with the first leaves alternate. The endogens constitute one of the grea
Monocotyle :: Monocotyle (a.) Monocotyledonous.
Monocotyl :: Monocotyl (n.) Any monocotyledonous plant.
Exorhizous :: Exorhizous (a.) Having a radicle which is not inclosed by the cotyledons or plumule; of or relating to an exorhiza.
Macrocephalous :: Macrocephalous (a.) Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body..
Welwitschia :: Welwitschia (n.) An African plant (Welwitschia mirabilis) belonging to the order Gnetaceae. It consists of a short, woody, topshaped stem, and never more than two leaves, which are the cotyledons enormously developed, and at length split into diverging segments..
Incumbent :: Incumbent (a.) Leaning or resting; -- said of anthers when lying on the inner side of the filament, or of cotyledons when the radicle lies against the back of one of them..
Cotyledonal :: Cotyledonal (a.) Of, pertaining to, or resembling, a cotyledon..
Callyciflorous :: Callyciflorous (a.) Having the petals and stamens adnate to the calyx; -- applied to a subclass of dicotyledonous plants in the system of the French botanist Candolle.
Gemmule :: Gemmule (n.) A little leaf bud, as the plumule between the cotyledons..
Monocotyledon :: Monocotyledon (n.) A plant with only one cotyledon, or seed lobe..
Leaf :: Leaf (n.) A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril..
Navelwort :: Navelwort (n.) A European perennial succulent herb (Cotyledon umbilicus), having round, peltate leaves with a central depression; -- also called pennywort, and kidneywort..
Polycotyledon :: Polycotyledon (n.) A plant that has many, or more than two, cotyledons in the seed..
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