Intergeneric Hybrid

This is a cross between plants from two genera, for example, Cupressus macrocarpa (now reclassified in the genus Hesperocyparis) (the Monterey cypress) and Chamaecyparis nootkatensis (now reclassified in the genus Callitropsis) (the Nootka cypress) = x Cupressocyparis leylandii (now reclassified as Cupressus x leylandii) (Leyland cypress).