1、 Leaf difference

The basal leaves of the leaves of Sonchus Sonchus live in the same flowering period and are linear or linear lanceolate, including petioles 7 to 12 cm long and 5 to 8 mm wide. The top of the leaves is sharp, and the base is gradually narrow, showing long or short petioles; The middle and lower stems and leaves are 5 to 15 cm long and 1.5 to 2 cm wide. The base of the leaves is in the shape of an arrow and half embracing the stem; Both sides of the leaf are glabrous, and the edge is entire

The leaves of dandelion are obovate lanceolate, oblanceolate or oblong lanceolate, 4 to 20 cm long and 1 to 5 cm wide. The apex of the leaves is blunt or sharp, and the edge sometimes has wavy teeth or pinnate deep crack, sometimes inverted pinnate deep crack or big head pinnate deep crack, and the crack at the top is relatively large

2、 Flower difference

The inflorescence is in the shape of corymbose at the top of the stem and branch. The inflorescence peduncle is thin, and the tongue shaped florets are yellow and rarely white

Dandelion scape one or several, 10 to 25 cm high, purple red in the upper part, about 30 to 40 cm in diameter in the head, yellow in the tongue, and about 8 mm long and 1.5 mm wide in the tongue