1) Biology terminology 2) Botanical nomenclature 
A subvariety (Latin: subvarietas) in botanical nomenclature is a taxonomic rank. They are rarely used to classify organisms. ==Plant taxonomy== Subvariety is ranked: Subvariety is an infraspecific taxon. ===Name=== Its name consists of three parts: To indicate the subvariety rank, the abbreviation `subvar.` is put before the infraspecific epithe.....
• (n.) A subordinate variety, or a division of a variety.
Sub`va·ri'e·ty noun ; plural -ties A subordinate variety, or a division of a variety.