1、 Leaf difference

Artemisia annua stem leaves are obovate or long oval, about 2 to 6 cm long and 1 to 2.5 cm wide. The leaf surface is green and the back is light green. It is divided in two pinnates. There are 3 to 8 pairs of lateral lobes, and the lobes are lanceolate, linear or oblique triangle

The leaves of chrysanthemum are long elliptic or long elliptic obovate, 8 to 10 cm long, without handle. The leaves have two pinnate divisions, 4 to 10 pairs of lateral lobes, oval or linear lobes, and the upper leaves are small

2、 Flower difference

The flowers of Artemisia stem are in a head shape. There are usually 2 to 8 heads growing at the top of the stem and branch, with pedicels. The heads will gather to form an inconspicuous corymbose, and sometimes the heads will grow alone at the top of the stem. Flowers yellow, inflorescences 0.6 to 1 cm in diameter

The flower of chrysanthemum is a head like inflorescence. The inflorescence is solitary at the top of the stem or a few grow at the top of the stem and branch, forming an inconspicuous corymbose. The pedicel is 15 to 20 cm long and the flower is yellow