Trichome Types

Trichome types refer to the morphological variants of cannabinoid and terpene-producing glands found on cannabis flowers and leaves. Cannabis plants commonly express three primary trichome categories: capitate-sessile (small, dome-shaped heads on short stalks), capitate-stalked (larger heads on longer stalks), and non-glandular (hair-like structures without cannabinoid production). Trichome density, size, and maturation stage (clear, cloudy, amber) are observable traits that breeders and growers use to assess plant development and harvest timing. While trichome morphology is primarily determined by genetics, environmental factors including light intensity, temperature, and humidity can influence expression. Understanding trichome types provides foundational knowledge for breeding programs focused on resin production characteristics and plant structure optimization.

Breeders select for trichome density and head size to develop cultivars with distinct resin profiles and visual characteristics. Lineage records frequently document trichome type as a heritable trait used to distinguish between parent genetics and establish breeding lines.