释义 |
cay·to·nia \kāˈtōnēə, -nyə\ noun Usage: capitalized Etymology: New Latin, from Cayton, England + New Latin -ia : a genus (the type of the family Caytoniaceae and the order Caytoniales) of fossil gymnospermous plants of the Mesozoic era having seeds enclosed in a carpellike case that suggests their ancestry to the angiosperms |