Definition of cotyledon

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Cotyledon (n.) A leaf borne by the caulicle or radicle of an embryo; a seed leaf.

Lern More About Cotyledon

Monocotyl :: Monocotyl (n.) Any monocotyledonous plant.
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
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..
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.
Pseudo-monocotyledonous :: Pseudo-monocotyledonous (a.) Having two coalescent cotyledons, as the live oak and the horse-chestnut..
Acotyledon :: Acotyledon (n.) A plant which has no cotyledons, as the dodder and all flowerless plants..
Polycotyledon :: Polycotyledon (n.) A plant that has many, or more than two, cotyledons in the seed..
Monocotyle :: Monocotyle (a.) Monocotyledonous.
Notorhizal :: Notorhizal (a.) Having the radicle of the embryo lying against the back of one of the cotyledons; incumbent.
Monocotyledon :: Monocotyledon (n.) A plant with only one cotyledon, or seed lobe..
Acotyledonous :: Acotyledonous (a.) Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc..
Gemmule :: Gemmule (n.) A little leaf bud, as the plumule between the cotyledons..
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..
Dicotyledonous :: Dicotyledonous (a.) Having two cotyledons or seed lobes; as, a dicotyledonous plant..
Conferruminated :: Conferruminated (a.) Closely united by the coalescence, or sticking together, of contiguous faces, as in the case of the cotyledons of the live-oak acorn..
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..
Cotyledon :: Cotyledon (n.) A leaf borne by the caulicle or radicle of an embryo; a seed leaf.
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..
Cotyledon :: Cotyledon (n.) One of the patches of villi found in some forms of placenta.
Macrocephalous :: Macrocephalous (a.) Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body..
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