2. Artemisia annua is short, with thin trunk and dark red stem, the highest is about 10 cm.

3. wormwood can grow to 80-250 cm, with thick and long stems and light green stems.

In addition, it can be clearly distinguished from the smell. Many Chinese herbal medicines contain wormwood, which gives off a unique fragrance.

5. Artemisia annua is an ordinary grass flavor, which will have a faint taste.