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|Noun||1.||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|
class - (biology) a taxonomic group containing one or more orders
hamamelid dicot family - family of mostly woody dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
hamamelid dicot genus - genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
class Dicotyledonae, class Dicotyledones, class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida - comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
genus Hamamelidanthum, Hamamelidanthum - genus of fossil plants of the Oligocene having flowers resembling those of the witch hazel; found in Baltic region
genus Hamamelidoxylon, Hamamelidoxylon - genus of fossil plants having wood identical with or similar to that of the witch hazel
genus Hamamelites, Hamamelites - genus of fossil plants having leaves similar to those of the witch hazel
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