Another name for this plant is silver queen and I think of her as the healing queen of the prairie. There are multiple subspecies of Artemisia ludoviciana which grow in Oklahoma so there is some variation in appearance.The silvery cast to the leaves is one uncommon quality which can help with identification.
When young this plant can be gathered and dried to use as a sage substitute. It has a stronger taste so only use 1/3 to 1/2 as much as you would use garden sage.
Prairie sage grows across central and western Oklahoma. If you spend a lot of time outdoors in this region and only learn one wild herb, this is the one to learn. I use it as a poultice for cuts, scrapes, poison ivy and insect stings. I infuse it in apple cider vinegar as a spray for poison ivy and also use the infused vinegar on salads and in cooking as a digestive aid. I include it in salves for sore muscles and inflamed joints.
It has a tradition of wide use across multiple Native American tribes. It is considered by many to be a sacred herb and is used for smudging to cleanse homes and in the sweat lodge. My wildcrafting mentor, Jackie Dill, of Oklahoma Wildcrafting taught me to make smudge sticks and I regularly smudge my home as well as tossing a prairie sage bundle on the camp fire to keep away mosquitoes.
Another traditional use is for excessive menstruation and other menstrual irregularities. It is a traditional digestive bitter and liver tonic. Internal use should be avoided by pregnant women. For a lovely article on the Artemisias by herbalist Kiva Rose, visit http://www.animacenter.org/artemisia.html