| 单词 | subclass Hamamelidae |
| 释义 | subclass Hamamelidae (extremely rare) n WORD FAMILY subclass Hamamelidae n a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder Syn|Hyper Hamamelidae class (biology) a taxonomic group containing one or more orders |
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