Cupuliferae

Cupuliferae (i.e. 'cupule-bearing'), an old order of dicotyledonous trees and shrubs, more naturally separated into (1) Betulaceæ or Corylaceæ, the birch and hazel family, including (a) the birch and alder, (b) the hornbeam and hazel; and (2) the Fagaceæ or Cupuliferae proper, including (a) the beeches, (b) the chestnuts and oaks. See the articles on these separate trees.