Flying crane

Flying crane

(a textual research on the names and facts of plants)

[synonym] milkvetch vine (Tianbao materia medica), cowhide jelly, wild sweet potato (Chengdu "commonly used herbal medicine treatment manual").

[source] it is the stem and leaf of Cynanchum auriculatum.

[plant morphology] auricular leaf cowhide powder

Herbs twining perennial, all puberulent. Stem cylindric, upper part much branched. Leaves opposite, with long stalks; leaves broadly ovate, 5-11 cm wide, apex pointed, entire, base deeply cordate, both sides auricular, decumbent or incurved. The flowers are yellow and white; the calyx and corolla are 5-lobed, and the lobes are rolled downward; the accessory corolla is 5-subulate lanceolate, higher than the stigma; the stamen is 5-inserted at the base of the corolla, the filaments are tubular, and the anthers are attached around the stigma; the pistil is composed of 2 carpels. Follicles about 11 cm long and 1.2 cm wide, dehiscent along one side when heated. Seeds ovate and flat, brown, apex with a bunch of white long villi. The flowering period is from August to October. The fruit ripens in November.

It grows on the hillside, under the woods or beside the road. It is distributed in all provinces of the Yangtze River Basin in China, from the south to Guangdong.

The tuberous root of this plant (geshanxiao) is also used for medicine. Please refer to the special section for details.

[collection] collected from June to August and dried in the sun. This product is easy to be infected with insects and mildew, so it should be turned over frequently.

[medicinal material] dry stems and leaves, all of them are light yellow brown. The stem is thin and long, cylindrical, with many thin longitudinal lines, hollow; brittle and easy to break; the cross section is yellowish white, fibrous, and the xylem tissue is loose, with many small holes in the center. The leaves are wrinkled, green brown, thin and crisp, and sweet and pungent. It is better to be dry, impurity free and light green.

Produced in Jiangsu, Jiangxi and other places.

[nature and taste] Jiangxi traditional Chinese medicine: "Gan Wei Xin, Wen, non-toxic. "

[function indications] Tianbao materia medica: "xiaru. "

"Jiangxi traditional Chinese medicine": "it is effective to take it for a long time. "

[usage and dosage] oral: decoction, 3-5 yuan.