Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of cotyledon is as below...

Macrocephalous :: Macrocephalous (a.) Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body..

Dicotyledon :: Dicotyledon (n.) A plant whose seeds divide into two seed lobes, or cotyledons, in germinating..

Acotyledonous :: Acotyledonous (a.) Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc..

Endorhiza :: Endorhiza (n.) Any monocotyledonous plant; -- so named because many monocotyledons have an endorhizal embryo.

Radicle :: Radicle (n.) The rudimentary stem of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the stem of the embryo; the caulicle..

Exorhiza :: Exorhiza (n.) A plant Whose radicle is not inclosed or sheathed by the cotyledons or plumule.

Endorhizous :: Endorhizous (a.) Having the radicle of the embryo sheathed by the cotyledon, through which the embryo bursts in germination, as in many monocotyledonous plants..

Monocotyledon :: Monocotyledon (n.) A plant with only one cotyledon, or seed lobe..

Compositae :: Compositae (n. pl.) A large family of dicotyledonous plants, having their flowers arranged in dense heads of many small florets and their anthers united in a tube. The daisy, dandelion, and asters, are examples..

Exorhizous :: Exorhizous (a.) Having a radicle which is not inclosed by the cotyledons or plumule; of or relating to an exorhiza.

Pseudo-monocotyledonous :: Pseudo-monocotyledonous (a.) Having two coalescent cotyledons, as the live oak and the horse-chestnut..

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

Navelwort :: Navelwort (n.) A European perennial succulent herb (Cotyledon umbilicus), having round, peltate leaves with a central depression; -- also called pennywort, and kidneywort..

Exogen :: Exogen (n.) A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen..

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..

Polycotyledonary :: Polycotyledonary (a.) Having the villi of the placenta collected into definite patches, or cotyledons..

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..

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..

Exoptile :: Exoptile (n.) A name given by Lestiboudois to dicotyledons; -- so called because the plumule is naked.

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

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