Artemisia annua belongs to the plant ancestors of Asteraceae and is an anniversary short-day plant. Its axis is arrect brownish or violet brown. The plant itself is baldheaded and by itself grows from 30 to 100 cm tall, although in agronomics it is accessible for plants to ability a acme of 200 cm. The leaves of A. annua accept a breadth of 3–5 cm and are disconnected by abysmal cuts into two or three baby leaflets. The accelerated ambrosial aroma of the leaves is characteristic. The Artemisinin agreeable in broiled leaves is in amid 0% and 1.5%.
New hybrids of Artemisia annua developed in Switzerland can ability a blade artemisinin agreeable of up to 2%.The baby flowers accept a bore of 2-2.5 mm and are abiding in apart panicles. Their blush is green-yellowish. The seeds are amber achenes with a bore of alone 0.6-0.8 mm. Their thousand-kernel weight (TKW) averages about 0.03 g.