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|Noun||1.||group Amentiferae - used in some classification systems for plants that bear catkins|
Hamamelidae, subclass Hamamelidae - 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
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