intergeneric hybrid

A hybrid between taxa in different genera. Such a hybrid is given a new genus name formally preceded by a multiplication sign ×, although the sign is often omitted. For instance, the hybrid between Nootka cypress (Chamaecyparis nootkatensis) and Monterey cypress (Cupressus macrocarpa) is ×Cupressocyparis leylandii (leyland cypress).

This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
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