Agastache pallidiflora

Agastache pallidiflora, commonly known as New Mexico giant hyssop or Bill Williams Mountain giant hyssop, is a plant in the mint family.

Description
It is a perennial herb that grows up to 4 ft tall. Leaves are semi-evergreen, simple and opposite in arrangement. Flower petals are white to purple in color and bloom July to October. It grows in moist canyons.

Uses
It is used by the Ramah Navajo as a ceremonial chant lotion, for bad coughs, and the dried, pulverized root used as dusting powder for sores or cankers. The Ramah also use it a fumigant for "deer infection", as a febrifuge, and to protect from witches.