Agastache utricifolia, Nettleleaf Giant Hyssop, Lamiaceae or Labiatae, Mint Family. Found in woodlands and moist areas in the western Rockies, American Indian groups used leaf tea for indigestion, stomach pains, colds, and as a laxative. A poultice of mashed leaves was applied to swellings. The leaves were placed in babies’ blankets for fever. An important food, fiber, and dye plant.