Character identification
(1) The clematis is horizontally long, cylindrical, 1.5-10cm long, 0.3-1.5cm in diameter, with many fine roots on both sides and below; surface pale brown to tan, leather Frequently dehiscent and fibrillar, knots bulge, woody stems often remain on the top; qualitative tough, cross-sectional fiber. Root cylindrical, slightly twisted, long 7-20cm, diameter 0.1-0.3cm; surface brown or dark brown, fine vertical lines, sometimes leather off and exposed yellowish wood; quality hard and crisp, easy Broken, wide cross-section of the skin, often with cracks between the wood. Gas slightly, bitter taste.
(2) The clumps of cotton clumps are short columnar, 1-4 cm long and 0.5-1 cm in diameter. Less roots, length 4-20cm, diameter 0.1-0.2cm; surface brown to brown-black; cross-section wood heart small round, accounting for 1/2 of the root diameter. Taste salty.
(3) The roots and stems of Spicy Chrysanthemum clematis are columnar, 1-11cm long and 0.5-2.5cm in diameter. Most of the roots, slender dense as horsetail; surface brownish black or brown, there are most obvious fine wrinkles; cross-section of the skin is white, wood core is nearly round, smaller. Spicy and spicy.
(4) The roots and roots of C. pilosula are similar to those of Chenglingxian and are difficult to distinguish. Flavour.
(5) The root surface of the clematis clematis is light brown and the longitudinal wrinkles are obvious; Bleak. Uniform, hard, gray cross-section is preferred.
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