Artemisia:

Sweet wormwood: Artemisia annua

(Also called sweet annie herb) is commonly used for malaria treatment in chinese medicine. Modern medicine has derived the antimalarial drug known as artemisinin from the artemisia plants. Now there are several semi synthetic derivatives of artemisinin [that] are available for the effective treatment of malaria and become part of the prescription drugs.42

Artemisia annua is useful in the management of the fever occurring due to viral and bacterial infections. It is mainly effective against dysentery, common cold, fungal infections, etc. it increases appetite, so [is] used to treat the loss of appetite and other digestive problems. It is widely used for the treatment of skin diseases, especially systemic lupus erythematosus (SLE), psoriasis and eczema.

Sea Wormwood: Artemisia maritima

Sea wormwood is not much used in herbal medicine, though it is often used domestically. Its medicinal virtues are similar to wormwood, A. absinthum, though milder in their action. It is used mainly as a tonic to the digestive system, in treating intermittent fevers and as a vermifuge. The leaves and flowering shoots are anthelmintic, antiseptic, antispasmodic, carminative, cholagogue, emmenagogue, febrifuge, stimulant, stomachic, tonic and vermifuge. The plant is harvested as it comes into flower and is dried for later use. The unexpanded floral heads contain the vermicide "santonin".