单词 | Asteridae |
释义 | Asteridae [´as·tǝ`rī´dē] BOTANY A large subclass of dicotyledonous plants in the class Magnoliopsida; plants are sympetalous, with unitegmic, tenuinucellate ovules and with the stamens usually as many as, or fewer than, the corolla lobes and alternate with them. |
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