Plant morphology is entangled with herbaceous lianas. The stems are usually purplish red. Simple leaves alternate in the lower part of the stem and opposite in the middle; Leaf blade ovoid triangular to broadly ovoid or halberd-shaped, with large variation, deep heart-shaped base and 3-lobed margin. Flowers unisexual, dioecious, in slender spikes; Capsule triangular oblate or triangular round, with white powder outside. The flowering period is from June to September, and the fruiting period is July-165438+1October.
Born on hillsides, under forests in valleys, or beside streams, roadside bushes or weeds. Location: Henan.
Collect the rhizome in autumn or winter, remove the soil and fibrous roots, cut off the reed head, wash it, soak it in water, scrape off the skin, smoke it repeatedly with sulfur and dry it in the sun. Some are smoked with sulfur, rubbed into a cylindrical shape with wooden boards, cut into sections, dried and polished.
Yam slices/yam/yam
Yam slices: irregular flakes, white surface, powder, slightly sour taste, commonly used in the prescription to stir-fry yam with bran, which is bright yellow and has a burnt flavor.
Hairy yam: slightly cylindrical, curved, slightly flat, with a length of 15-30cm and a diameter of 1.5-6cm ... The surface is yellowish white or brownish yellow, with longitudinal grooves, longitudinal wrinkles and fibrous root marks, irregular ends, brittle and easily broken, and the cross section is white, powdery and light in taste.
Yam: cylindrical, with both ends flush, length 10- 18cm, diameter 1.5-3cm. Uniform thickness, straight, all white, smooth and round, full of powder.
Sweet and flat in nature. Enter spleen, lung and kidney meridians.
Efficacy application
1, Bufei Zhike: It can be used for lung qi deficiency, chronic cough and asthma, or lung and kidney deficiency and qi deficiency.
2. Strengthening the spleen and stopping diarrhea: it is mainly used for women who have spleen deficiency, eat less loose stool, or have excessive leucorrhea due to spleen deficiency and dampness.
3. Tonifying kidney, consolidating semen and reducing urine: it can be used to treat frequent micturition due to kidney deficiency and nocturnal emission.
In addition, this product is often used to quench thirst and belongs to deficiency of both qi and yin.
Dosage and usage: 10-30g, 60-250g in large quantities. Grinding and swallowing, each time 6- 10g. Tonifying yin should be used raw, and invigorating spleen and stopping diarrhea should be fried.
Pay attention to use. Those who are wet or have stagnation should not take it.