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

Cotyledonal :: Cotyledonal (a.) Of, pertaining to, or resembling, a cotyledon..

Thalamiflorous :: Thalamiflorous (a.) Bearing the stamens directly on the receptacle; -- said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle.

Cotyledonary :: Cotyledonary (a.) Having a cotyledon; tufted; as, the cotyledonary placenta of the cow..

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..

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

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

Dicotyledonous :: Dicotyledonous (a.) Having two cotyledons or seed lobes; as, a dicotyledonous plant..

Monocotyledonous :: Monocotyledonous (a.) Having only one cotyledon, seed lobe, or seminal leaf..

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..

Notorhizal :: Notorhizal (a.) Having the radicle of the embryo lying against the back of one of the cotyledons; incumbent.

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

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.

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..

Cotyledonous :: Cotyledonous (a.) Of or pertaining to a cotyledon or cotyledons; having a seed lobe.

Monocotyl :: Monocotyl (n.) Any monocotyledonous plant.

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

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

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

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