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

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..
Cotyledonal :: Cotyledonal (a.) Of, pertaining to, or resembling, a cotyledon..
Monocotyledonous :: Monocotyledonous (a.) Having only one cotyledon, seed lobe, or seminal 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..
Cotyledonous :: Cotyledonous (a.) Of or pertaining to a cotyledon or cotyledons; having a seed lobe.
Thalamiflorous :: Thalamiflorous (a.) Bearing the stamens directly on the receptacle; -- said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle.
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..
Exorhizous :: Exorhizous (a.) Having a radicle which is not inclosed by the cotyledons or plumule; of or relating to an exorhiza.
Syncretic :: Syncotyledonous (a.) Having united cotyledonous.
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..
Gemmule :: Gemmule (n.) A little leaf bud, as the plumule between the cotyledons..
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..
Navelwort :: Navelwort (n.) A European perennial succulent herb (Cotyledon umbilicus), having round, peltate leaves with a central depression; -- also called pennywort, and kidneywort..
Monocotyle :: Monocotyle (a.) Monocotyledonous.
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..
Exoptile :: Exoptile (n.) A name given by Lestiboudois to dicotyledons; -- so called because the plumule is naked.
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..
Polycotyledonary :: Polycotyledonary (a.) Having the villi of the placenta collected into definite patches, or cotyledons..
Polycotyledon :: Polycotyledon (n.) A plant that has many, or more than two, cotyledons in the seed..
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