formula hybridae

Borrowed from New Latin fōrmula hybridae (literally “hybrid formula” or “mixed formula”).

formula hybridae (plural formulae hybridae)

1. (botany, taxonomy) The formula by which a nothotaxon or hybrid plant can be crossbred.

• While the plural can be found more abundantly in Latin, since taxonomic terminology is more concerned with interlingualism, it often does not use plurals.

• hybridus