It's called polygoNatum odoratum (mill.) druce's dry roots. Excavated in the autumn, removed, washed, tanned, tanned repeatedly, tanned unhardly, dryed; or fertilized, tanned to half-transparent and dry。
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Long years of grass, 40-65 centimeters tall. Underground roots walk, yellow and white, with a diameter of 0. 5 to 1. 3 centimetres, with most of the tiny shrubs in secret. Single, leaning from side to side, smooth and hairless. The leaves are born above the center of the tubers, with no power; the leaves are slightly geled, elliptical or narrow elliptical, rare in long circles, 6 to 12 cm long, 3 to 6 cm wide, with blunt or acute pretenses, with wedges of the base, full edge, green above, light white below, and elongated leaves. Plumbnuts, with an infarction of 1 to 1. 4 centimetres, with one to two peanuts; flowers in a barrel form, with 1. 4 to 1. 8 centimetres in length, white, with a first end of six cracks, with a fibrous ovaries forming into broad egg shapes, with greens; mauriac-6, born in the centre of a simple flower, with a flat of laces, with a narrow round of flowers, yellow; and a sub-house, with a thin plume and a head. The berries ball, 4-7 mm in diameter, turns purple and black after heat. It's april-may. September 8th。
Sex
Gan, ping。
Form
Dry roots, slightly flat in long cylinders, with no branch, 5-15 cm long and 0. 5-1 cm diameter. Light yellow or light yellow brown, translucent, rough, wrinkled, visible, slightly raised wavering, mostly below 1 cm in length, with the most irregularly dispersed root marks on the section, with large tattered roots, sometimes visible on the top of the disc. The dryers are strong, their horns are thin, and they are softened by the tide. Cracked face with granularity, yellow and white. Weak, sweet, sticky. And the long strips, and the fat, and the yellow and white, and the bright and tender。
