Crab
It is 30-90cm high in annual mountains of Korea. The stem is cylindrical, straight, white and long, hairy. Leaves are alternate, ovate, 3.5-6cm long, star-shaped hair on both sides, pointed end, almost rounded bottom, with sawtooth on edge. The flower is yellow, with one axilla running on the axil, peduncle long, and three small bushes are radiant and hairy. Calyx is lanceolate and hairy. The petals are obovate, and the surgery has 10 and 5 vaginal operations. Ovaries are initially hairs and then disappear. The fruit is capsule, the shape of the garment, length is 2cm, there is no hair. It is characterized by long hairs on the surface of leaves, small flowers, and no hairs on the fruit.