1、 Blade
It is a perennial plant with a tan surface. The leaf shape is oblanceolate, sometimes obovate oblanceolate, green, with a length of 4-20 cm and a width of 1-5 cm. The apex is gradually sharpened, and the edge is sometimes pinnate and deeply divided, and sometimes wavy teeth. The lobes at the top are relatively larger and triangular. Petiole and main vein are usually reddish purple p>
2、 Flowers
It has one or several scape when flowering, which is as long as the leaves and is between 10-25 cm high. The whole is a head like inflorescence, the involucre is bell shaped, the color is light green, and the bracts have 2-3 layers. The outer layer is lanceolate, the base is light green, and the upper part is purplish red. The inner layer is linear lanceolate, and the apex is purplish red. The flowers are tongue shaped and the color is yellow. It usually blooms between April and September, and its full bloom is in summer. Take a month or two p>
3、 Fruit
The seeds of some varieties will mature about half a month after flowering. Its fruit is achene, which is inverted egg shaped lanceolate and dark brown. There are small spines on the upper part and small tumors arranged in rows on the lower part. The top will gradually shrink and form the beak base. The fruit period is between May and October p>