1、 Leaf difference

The leaves of chrysanthemum are oblong or oblong obovate, 8 to 10 cm long. The leaves have pinnate division, 4 to 10 pairs of lateral lobes, oval or linear lobes, and the upper leaves are small

The leaves of bitter chrysanthemum are lanceolate, pinnately deeply divided, long oval or inverted lanceolate in full shape, or big head pinnately deeply divided, 3 to 12 cm long and 2 to 7 cm wide

2、 Flower difference

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

The flower of bitter chrysanthemum is a head like inflorescence, and a few will be arranged into a dense corymbose or raceme at the top of the stem and branch, and the small tongue flowers are yellow