Artemisia annua
Artemisia annua[edit | edit source]
Artemisia annua, commonly known as sweet wormwood, sweet annie, or annual wormwood, is a highly aromatic herbaceous plant in the family Asteraceae. It is native to temperate Asia but is now widely distributed around the world. This plant is notable for its use in traditional medicine and its role in the production of the antimalarial drug artemisinin.
Description[edit | edit source]
Artemisia annua is an annual plant that can grow up to 2 meters in height. It has a single erect stem that is branched and covered with fine hairs. The leaves are bright green, deeply divided, and have a strong aromatic scent. The plant produces small yellow flowers that are arranged in loose panicles.
Habitat and Distribution[edit | edit source]
Artemisia annua is native to Asia, particularly China, but it has been introduced to many other regions, including Europe and North America. It thrives in temperate climates and is often found in disturbed areas such as roadsides and fields.
Uses[edit | edit source]
Traditional Medicine[edit | edit source]
In traditional Chinese medicine, Artemisia annua has been used for centuries to treat fevers and other ailments. The plant is known as qinghao in Chinese medicine and is one of the oldest known treatments for malaria.
Antimalarial Properties[edit | edit source]
The most significant compound derived from Artemisia annua is artemisinin, a sesquiterpene lactone with potent antimalarial properties. Artemisinin and its derivatives are the basis for the most effective treatments for Plasmodium falciparum malaria, particularly in areas where the parasite has developed resistance to other drugs.
Other Uses[edit | edit source]
Apart from its medicinal uses, Artemisia annua is also used in the production of essential oils and as a natural pesticide. The plant's aromatic properties make it useful in various applications, including perfumery and flavoring.
Cultivation[edit | edit source]
Artemisia annua is cultivated in many parts of the world for its medicinal properties. It requires well-drained soil and full sun to thrive. The plant is typically grown from seeds, which are sown in the spring. It is important to harvest the plant at the right time to maximize the yield of artemisinin.
Related Pages[edit | edit source]
Gallery[edit | edit source]
An apple corer
A historical bone apple corer
A modern apple corer and slicer
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Artemisia annua plant
Close-up of Artemisia annua leaves
Artemisia annua in bloom
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Contributors: Prab R. Tumpati, MD
