- 规格:
- 10:1
- 性状:
- 粉末
Pinyin name
Englishbr/> Source: This product is the dried roots and rhizomes of Ranunculaceae plant Clematis clematis, Cotton Tuan Tiexian. or Northeast Tiexian. Excavate in autumn, remove sediment and dry in the sun.
The rhizome of Clematis is columnar, .~, .~ in diameter, with a light brown surface and a stem base remaining at the top. It is tough and has a fibrous cross-section, with many fine roots growing on the lower side.
The root is slender and cylindrical, slightly curved, long ~, diameter. ~. The surface is dark brown with fine vertical stripes, and some of the bark falls off, exposing the yellow-white wood.
It is hard and brittle, easy to break, the skin is wide in the cross section, the wood is light yellow, slightly square, and there are often cracks between the skin and wood.
It has a slight odor and a light taste.
The rhizome of Clematis clematis is in the shape of a short column, long ~ and .~ in diameter.
The root length is ~, and the diameter is ~ . The surface is tan to brown-black, and the cross-section of the wood is round.
It tastes salty.
The rhizome of Northeastern Clematis is columnar, long ~ and .~ in diameter.
The roots are dense, long, .~ in diameter. The surface is brown and black, and the cross-section of the wood is nearly round.
It tastes spicy.
Identification
The outer wall of Clematis epidermal cells in the cross section of the roots is thickened and brownish black.
The cortex is wide and composed of parenchyma cells. The outer cortex extends tangentially and the endodermis is obvious.
There are often fiber bundles and stone cells on the outside of the phloem, with fiber diameters ~&.
The cambium is obvious.
The xylem is all lignified.
Parenchyma cells contain starch granules.
The outer cortex cells of Clematis cotton are multi-radially elongated, and the cell walls of the rows immediately adjacent to the outer cortex are slightly thickened and there are no fiber bundles or stone cells outside the phloem.
The outer cortex cells of Northeastern Clematis are extended radially, and the old roots are slightly extended tangentially. There are occasional fibers and stone cells on the outside of the phloem with fiber diameters ~&.
Process to remove impurities, wash, moisten, cut into sections, and dry.
Check that the total ash content must not exceed .% (Appendix IX).
【Leachables】 Determine according to the hot soak method (Appendix
The nature and flavor are salty, warm and return to the bladder meridian.
Functions and Indications
Expelling wind and dampness, unblocking collaterals and relieving pain.
It is used for rheumatic arthralgia, numbness of limbs, spasm of muscles and veins, difficulty in flexion and extension, and bone choking in the throat.