Sessile Vs Stalked Trichomes

Trichomes—the resinous glands on cannabis flowers—vary structurally in how they attach to the plant surface. Sessile trichomes sit directly on the epidermis with no stem, while stalked trichomes elevate on a thin stalk, raising the gland head above the leaf surface. Both types produce cannabinoids and terpenes, though stalked trichomes are often more visible and easier to harvest mechanically. Breeding programs frequently select for trichome density and type based on cultivation method, processing goals, and desired resin expression. Understanding this distinction helps breeders predict harvest efficiency and trichome preservation during handling.

Breeders working with extraction and hash production often favor stalked-trichome-dominant genetics, as these are more prone to separation during traditional dry-sift and water-hash methods. For flower-preservation breeding, sessile-trichome density correlates with cannabinoid content concentration but may require gentler handling to avoid gland loss.