Physiological characteristics:
1, the taproot is conical or cylindrical, with a length of1~ 6 cm and a diameter of1~ 4 cm. The surface is grayish brown or grayish yellow, with intermittent longitudinal wrinkles and root marks. There are stem marks at the top and tumor-like processes around. Weight, solid quality, gray-green, yellow-green or gray-white cross section, and micro-wood arranged radially. Slight breath, bitter taste and sweet taste.
2. The ribs are cylindrical or conical, with a length of 2 ~ 6 cm, an upper end diameter of about 0.8cm and a lower end diameter of about 0.3cm.
3. The cut is irregular, shriveled, blocky or strip-shaped, with several obvious stem marks and ring lines on the surface. The center of the section is grayish green or white, and the edge is dark green or gray.
Related description:
1, "Compendium of Materia Medica": Stop bleeding, disperse blood and stop pain. Those who suffer from arrow wound with golden blade, stick sore from falling, and bleeding continuously will be chewed and smeared, or mixed at the end, and their blood will stop. It is also responsible for vomiting blood, bleeding dysentery, water retention during collapse, blood retention after delivery, blood transport pain, carbuncle with red eyes, and tiger bite and snake injury.
2, "Materia Medica Seeking Truth": dedicated to the liver and stomach. And into the heart and large intestine. Also known as mountain paint. Shi Zhen said. Or Yunneng alloy sores. Such as paint.
3, "Materia Medica from the New": dispersing blood and relieving pain. Treat hematemesis and epistaxis. Blood dysentery and blood collapse. The eyes are red and swollen.