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Definition of Subclass Hamamelidae
1. Noun. 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.
Exact synonyms: Hamamelidae
Generic synonyms: Class
Member holonyms: Hamamelid Dicot Family, Hamamelid Dicot Genus, Fagales, Order Fagales, Amentiferae, Group Amentiferae, Genus Hamamelidanthum, Hamamelidanthum, Genus Hamamelidoxylon, Hamamelidoxylon, Genus Hamamelites, Hamamelites, Family Hamamelidaceae, Hamamelidaceae, Witch-hazel Family
Group relationships: Class Dicotyledonae, Class Dicotyledones, Class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida
Generic synonyms: Class
Member holonyms: Hamamelid Dicot Family, Hamamelid Dicot Genus, Fagales, Order Fagales, Amentiferae, Group Amentiferae, Genus Hamamelidanthum, Hamamelidanthum, Genus Hamamelidoxylon, Hamamelidoxylon, Genus Hamamelites, Hamamelites, Family Hamamelidaceae, Hamamelidaceae, Witch-hazel Family
Group relationships: Class Dicotyledonae, Class Dicotyledones, Class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida
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