1、 Plant

Holly is a biennial or perennial herb with a height of about 11 to 40 cm. The main root is spindle shaped, and the stem is upright and green. It is relatively thick and has no villi. There are several grooves on the stem

2、 Leaves

The leaves of haidongqing are basal leaves, lanceolate or oblanceolate. The leaves are not divided, leathery, about 5 to 25 cm long and about 1.2 to 4 cm wide. The top of the leaves is blunt, the base is gradually narrow, the edge has sharp serrations of bone, the surface is dark green, the back is light green, both sides are hairless, the petiole is short, and the base has a sheath, which can reach 3 cm

3、 Flowers

Capitulum, growing at the bifurcation of the stem and on the short branches of the upper branches, cylindrical, 0.5 to 1.2 cm long and 3 to 5 mm wide, sessile, bracts 1.5 to 3.5 cm long and about 4 to 10 mm wide, leafy, lanceolate, petals 0.5 to 1 mm, white, light yellow or grass green