dicotyledon

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di·cot·yl·ed·on

(dī-kot'il-ē'don),
Plant (shrub, herb, or tree) with seeds that consist of two cotyledons, that is, the primary or rudimentary leaf of the embryo of seed plants.
Dicotyledonclick for a larger image
Fig. 131 Dicotyledon . The differences between dicotyledons and monocotyledons.

dicotyledon

any flowering plant of the subclass Dicotyledonae, class Angiospermae. Other ANGIOSPERMS belong to the subclass Monocotyledonae (see MONOCOTYLEDON). See figs. 131 and 171 .
References in periodicals archive ?
Fisher's contribution was his book, Volume 2, the Vascular Flora of Ohio, Volume Two: The Dicotyledoneae of Ohio, Part Three.
Within botany, up until about 20 years ago, the prevailing view divided seed plants into Gymnospermae and Angiospermae, and within the latter into Dicotyledoneae and Monocotyledoneae.