Sesquiterpene Families

Sesquiterpenes are C₁₅ hydrocarbons composed of three isoprene units, commonly identified in cannabis as secondary metabolites alongside monoterpenes and diterpenes. Major sesquiterpenes in cannabis lineages include β-caryophyllene, α-humulene, β-myrcene, and γ-bisabolene, each contributing distinct aromatic and chemical profiles to cultivar phenotypes. These compounds are often tagged as contributors to cannabis strain complexity and shelf-stability, with concentrations varying significantly across genetic backgrounds and cultivation conditions. Sesquiterpene expression is frequently documented in both sativa and indica-leaning families, though distribution and relative ratios differ by breeding line. Understanding sesquiterpene families helps breeders predict aroma profiles, terpene stability during storage, and chemical diversity in hybrid crosses.

Breeders working with sesquiterpene profiles use targeted crosses to stabilize or elevate specific sesquiterpenes in progeny, as these compounds are heritable and contribute to phenotype consistency. Sesquiterpene ratios are often mapped across generations to develop cultivars with predictable aromatic signatures and improved post-harvest terpene retention.