The leaves of the stem of Artemisia annua are obovate or oblong, about 2-6cm long and 1-2.5cm wide. The surface of the leaves is green, and the back is light green. The leaves are divided into two pinnately. There are 3-8 pairs of lateral lobes, and the lobes are lanceolate, linear or obliquely triangular.
The leaves of chrysanthemum chrysanthemum are long oval or long oval obovate, 8 to 10 cm long, sessile, with two pinnately divided leaves, 4 to 10 pairs of lateral lobes, oval or linear lobes, and the upper leaves are small.
The flower of the stem of Artemisia annua is a capitulum. There are usually 2 to 8 capitulums growing at the top of the stem and branch, with pedicels. The capitulum will gather to form an inconspicuous corymb, sometimes the capitulum will grow alone at the top of the stem. Flowers yellow, inflorescences 0. 6 to 1 cm in diam.
The flower of chrysanthemum is a head, the top of the single stem or a few grow on the top of the stem and branch, forming an inconspicuous corymbose, the peduncle is 15 to 20 cm long, and the flower is yellow.
