| 单词 | eudicotyledon |
| 释义 | eudicotyledon/ (ˌjuːdaɪˌkɒtɪˈliːdən) / nounany plant belonging to one of the two major groups of flowering plants, comprising over 60 per cent of all plants, normally having net-veined leaves and two cotyledons in the seed Words nearby eudicotyledoneudemonia, eudemonic, eudemonics, eudemonism, eudiaphoresis, eudicotyledon, eudiometer, eudiometry, Eudora, Eudoxus, Eudoxus of Cnidus Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for eudicotyledoneudicotyledon [ yōō′dī-kŏt′l-ēd′n ] An angiosperm having two cotyledons in the seed, leaves with a network of veins radiating from a central main vein, flower parts in multiples of four or five, and a ring of vascular cambium in the stem. In contrast to most monocotyledons, eudicotyledons undergo secondary growth. Eudicotyledons are the largest angiosperm group; they include most cultivated plants and many trees. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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