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 ?
Although there is no consensus concerning the precise phylogenetic position of the monocots within the angiosperms (Angiosperm Phylogeny Group (APG), 2003), most studies suggest that the monocots are diverged from a common ancestor with a basal dicotyledon (dicot) group.
Dicotyledon families Magnoliaceae to Winteraceae, xiv, 609 pp.
Sweet potato (Ipomea batatas), a dicotyledon, belongs to the Morning Glory family and is a native of Peru and Ecuador.
thaliana and other dicotyledon plants will yield information about their regulation and function.
A gene from wheat, a monocotyledon, was property turned on by light and expressed in the appropriate tissues in tobacco, a dicotyledon, Chua reports.
Discussion of the origin, variation and adaptation, and distribution control factors of Australian tree species precludes coverage of gymnosperms, dicotyledon angiosperms, and monocotyledon angiosperms, arranged in that order.
For studying allelopatic effect of Nerium oleander, on the germination of seed and growth of seedling of selected monocotyledon (Hordeum vulgare) and dicotyledon (Vicia sativa) were examined.
271 species in 34 dicotyledon and seven monocotyledon families are host of TSWV (Edwarson & Christie 1986).
Systematic, Ecological, and Evolutionary Aspects of Dicotyledon Wood.
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.
Sieve-element plastids and evolution of monocotyledons with emphasis on Melanthiaceae sensu lato and Aristolochia-Asaroideae, a putative dicotyledon sister group.