dicotyledon

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dicotyledon

1. any flowering plant of the class Dicotyledonae, normally having two embryonic seed leaves and leaves with netlike veins. The group includes many herbaceous plants and most families of trees and shrubs
2. primitive dicotyledon. any living relative of early angiosperms that branched off before the evolution of monocotyledons and eudicotyledons. The group comprises about 5 per cent of the world's plants

dicotyledon

[‚dī‚käd·əl′ēd·ən]
(botany)
Any plant of the class Magnoliopsida, all having two cotyledons.
References in periodicals archive ?
In both locations, dicotyledonous species were more prevalent, although a few monocotyledonous species showed higher RI levels.
The Papilionoidea co-evolved with the dicotyledonous plants, about 110 million years ago (mya), during the Cretaceous (Miller & Miller 2001); however, the Nymphalidae evolved 70-65 mya (transition Cretaceous-Tertiary), so the distribution of these butterflies was still under the influence of the "Gondwana effect", because at that time the last connections of this ancient continent still remained (Ehrlich 1958; Grimaldi & Engel 2005).
It is a tropical dicotyledonous tree which belongs to the family of Malvaceae.
Dianthus caryophyllus (common names, Carnation and pinks) belongs to the dicotyledonous family Caryophyllaceae.
Tori are common in the intervascular pit membranes of conifers (Bauch et al, 1972) and Ginkgo (Dute, 1994), but at one time were thought to be absent from the wood of dicotyledonous angiosperms.
The first two Ceratopteris amino acid sequences (those of TuaCR1 and TuaCR2) are most similar to sequences derived from dicotyledonous plants and/or a gymnosperm, the third is most similar to two different algal sequences, and the fourth is most similar to a sequence from a gymnosperm.
Visser EJW, Colmer TD, Blom CW, Voesenek LA (2000) Changes in growth, porosity and radial oxygen loss from adventitious roots of selected mono- and dicotyledonous wetland species with contrasting types of aerenchyma.
4] photosynthetic pathway include primarily warm-season grasses of tropical and subtropical origin, and some dicotyledonous weeds that thrive in warm, arid or semiarid regions.
The anther wall development in scrophulariaceae was reported as dicotyledonous type (10), including Verbascum [11].
Fossil dicotyledonous woods from Bikaner, Rajasthan, India.
The proximal abscission scars show features identical to similar scars found in dicotyledonous plants.
1991) found that dicotyledonous species with thick roots had a greater capability for penetrating dense soils than monocotyledonous grassy species with thin roots.