Leaf Width

Leaf width is a morphological trait rather than a terpene, but it's frequently categorized in cannabis genetics literature as a heritable characteristic affecting plant structure and cultivation outcomes. Breeders observe variation in leaflet width across cultivars, ranging from narrow 'sativa-type' leaves to broader 'indica-type' formations. This trait is polygenic and influenced by environmental factors including light intensity, humidity, and nutrient availability during vegetative growth. Leaf width correlates with other structural features like internode spacing and overall plant architecture. Understanding leaf morphology helps cultivators predict growth patterns and breeders select for desired phenotypes in breeding programs.

Breeders working in this category often select for specific leaf widths to influence light penetration, airflow, and canopy management in target growing environments. Narrower leaves are commonly associated with sativa-dominant lineages, while broader leaves are frequently observed in indica-dominant genetics, though crosses produce intermediate expressions.