subclass Hamamelidae

Từ điển WordNet v3.1 - WordNet Dictionary

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
• Syn:
Hamamelidae
• Hypernyms:
class
• Member Holonyms:
Dicotyledones, class Dicotyledones, Dicotyledonae, class Dicotyledonae, Magnoliopsida, class Magnoliopsida
• Member Meronyms:
hamamelid dicot family, hamamelid dicot genus, Fagales, order Fagales, Amentiferae,
group Amentiferae, Hamamelidanthum, genus Hamamelidanthum, Hamamelidoxylon, genus Hamamelidoxylon, Hamamelites,
genus Hamamelites, Hamamelidaceae, family Hamamelidaceae, witch-hazel family