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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

dicotyledon

[‚dī‚käd·əl′ēd·ən]
(botany)
Any plant of the class Magnoliopsida, all having two cotyledons.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The major parts of a simple dicot leaf are listed here (Figure 6-6):
However, most of these are dicots and little has been done in the monocots, especially members of the Poaceae family.
They also support a large number of small herbaceous dicots. The structure and species composition of these plains is maintained by near continuous grazing from the large herds of migratory wildebeest and zebra (McNaughton and Sabuni 1988).
The hitch is that the plant genetic engineer's courier, the crown-gall bacterium Agrobacterium tumifaciens, only infects dicots, such as flax.
AY705384) fused with GFP; codon choices were optimized for the dicot species tobacco (Nicotiana tabacum) and the monocot species creeping bentgrass (Agrostis stolonifera).
Anatomy structure results showed that the number of vessel of bundles in barley and diameter of roots in monocot and dicot increased incomparition to the control sample.
Studies on the effects of Si accumulation in woody dicot tissues over an extended time period (involving multiple or overlapping pest generations) may be warranted.
Implantadas Gramineas perennes nativas 9.05 (0-80) 0.6 (0-7.14) Pasturas perennes 7.5 (0-80) 76 (20-100) Especies halofilas 78 ( 20-95) 17.8 (0-40) Dicot. anuales introducidas 1.19 (0-14.3) 5 (0-40) Dict.
It may prove to be a valuable substitute for nptII in the transformation of agriculturally important dicot species such as soybean (Liu et al., 2004), cotton (Zhang et al., 2001), Brassica crops (Poulsen, 1996), tomato and other Solanaceae (Agharbaoui et al., 1995) as well as forest tree species including angiosperms and gymnosperms (van Frankenhuyzen and Beardmore, 2004).
In a dicot plant stem, the vascular bundles are arranged in a ring that separates the cortex and pith (Figure 6-5).
* Draw and label parts of the dicot stem and monocot stem