| agastache | (n) giant hyssop; Mexican hyssop, Syn. genus Agastache |
| anise hyssop | (n) much-branched North American herb with an odor like fennel, Syn. Agastache foeniculum |
| mexican hyssop | (n) erect perennial of Mexico having rose to crimson flowers, Syn. Agastache mexicana |
| yellow giant hyssop | (n) erect perennial with stout stems and yellow-green flowers; southern Canada and southeastern United States, Syn. Agastache nepetoides |
| Agastache | n. |