青蒿, also known as Artemisia annua or sweet wormwood, is a flowering plant native to Asia and Europe. It is recognized for its feathery green leaves and small yellow flowers. Traditionally, it has been used in herbal medicine for various ailments. The most notable compound derived from 青蒿 is artemisinin, which is effective in treating malaria. This discovery has made the plant significant in modern medicine, especially in regions where malaria is prevalent. Its cultivation and research continue to play a crucial role in global health initiatives.