Leyland cypress References Leyland cypress tree Ask Anything Homework Help Also known as: Cupressocyparis leylandii, hybrid cypress Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: cypressThe hybrid or Leyland cypress (Cupressocyparis leylandii) is an ornamental windbreak developed by crossing the Monterey cypress with the yellow cypress (Chamaecyparis nootkatensis). Read MoreThe hybrid or Leyland cypress (Cupressocyparis leylandii) is an ornamental windbreak developed by crossing the Monterey cypress with the yellow cypress (Chamaecyparis nootkatensis). Read More