1. Different shape
Octagonal Wu is a perennial herb with a height of about 70 cm and a diameter of about 1.2 cm. The plant is relatively slender. When the first birth, the small yellow hair is densely distributed, and then the small hair will fall off.
2. Bare discerning
The leaves are arranged into a lotus seat, presented as kidney shape, about 9 to 13 cm in length, and a width of 11 to 22 cm. The texture is relatively thick.To 25 cm.
Third, flower discern
The color of its flowers is bright yellow. The tongue sheet is long or round or a spoon -shaped and round. The length is about 15 to 22 mm, and the width is about 3 to 4 mm.There are 12 to 14 total bracts, with two layers, showing long circular shapes, gradually becoming tip at the upper end, and small hair distributed on the back.The flowering period is from August to March of the second year.
