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Of or pertaining to a cotyledon or cotyledons; having a seed lobe.

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

Having two cotyledons or seed lobes; as, a dicotyledonous plant.

Having only one cotyledon, seed lobe, or seminal leaf. Lindley.

Having two coalescent cotyledons, as the live oak and the horse-chestnut.

Having united cotyledonous.

Having the petals and stamens adnate to the calyx; -- applied to a subclass of dicotyledonous plants in the system of the French botanist Candolle.

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.

A plant with netveined leaves, and monocotyledonous embryos, belonging to the class Dictyogenæ, proposed by Lindley for the orders Dioscoreaceæ, Smilaceæ, Trilliaceæ, etc.

Any monocotyledonous plant; -- so named because many monocotyledons have an endorhizal embryo.

sheathed by the cotyledon, through which the embryo bursts in germination, as in many monocotyledonous plants.

Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body. Henslow.

Any monocotyledonous plant.

Monocotyledonous.

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.

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