dicotyledones

• 双子叶植物，一类种子植物，其胚胎具有两片子叶，叶片通常具网状脉，曾被视为一个纲或亚纲，包含木兰亚纲、金缕梅亚纲、石竹亚纲、五桠果亚纲、蔷薇亚纲和菊亚纲等类群。

A taxonomic class of seed plants that produce an embryo with paired cotyledons and net-veined leaves, divided into subclasses including Magnoliidae, Hamamelidae, Caryophyllidae, Dilleniidae, Rosidae, and Asteridae.

不可数 · 专有名词

1. Class of flowering plantsC2formalscientific

   A major group of angiosperms (flowering plants) whose seeds typically contain two cotyledons (embryonic leaves) and whose leaves usually have net-like veins.

   双子叶植物纲

   • Dicotyledones include many familiar plants like roses, oaks, and sunflowers.
   • The classification of Dicotyledones has been revised with modern genetic studies.
   • Botanists study the diverse forms within the Dicotyledones group.

   同义词dicotyledonaemagnoliopsida