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 ?
Results obtained from this study indicate phytotoxic protein as a suitable candidate to control dicotyledon weeds, therefore, can be used as a probable alternative to chemical herbicides.
Structural lines of specialization in the wood rays of dicotyledons.
After collection, fresh plant biomass was sorted out in three categories (buffel grass, herbaceous dicotyledons and other grasses), cut into pieces, stored in plastic bags and weighed.
Ecology of Sydney plant species Part 3: dicotyledon families Cabombaceae to Eupomatiaceae.
Bailey (1956) registered that of the 99 dicotyledon families studied, 77% of seedlings have an even number of traces at the cotyledonary node, and 60% of cotyledons have two independent traces related to a single gap.
Sieve-element plastids and evolution of monocotyledons with emphasis on Melanthiaceae sensu lato and Aristolochia-Asaroideae, a putative dicotyledon sister group.
NS) (a dicotyledon of the Ranunculaceae family), commonly known as black seed or black cumin, is an annual plant that has been traditionally used for culinary and medicinal purposes as a natural remedy for a number of illnesses and conditions that include asthma, hypertensin, diabetes, inflammation, cough, bronchitis, headache, eczema, fever, dizziness and influenza.
An intensified study of an increasingly greater number of angiosperms and of novel, in part rather sophisticated, features, which commenced in the second half of the last century, revealed several character states present in both monocotyledons and Annonaceae, Aristolochiaceae, Piperaceae, and other dicotyledon families belonging to the ranalean complex.
Results of Mantel tests among dicotyledon classifications of modern authors have not been retained since the operational taxonomic units (OTUs; i.
Also, cytokinins are known for regulate several cellular processes, including the expansion of cotyledons into dicotyledons (TAIZ & ZEIGER, 2013).