Panax japonicus

Panax japonicus

(materia medica of Southern Yunnan)

[synonym] jiyaoshen, dajinxiandiaogu (common folk herbal medicine in Kunming), zhuershen, baidigua (medicine and plant catalogue in Guizhou).

[source] it is the root of Panax japonicus.

[plant morphology] Panax japonicus

Perennial twining herbs. The tuberous root is fleshy and thick, with two tubers on the surface. Contains milk. The stem and branch are thick, and the diameter can reach 3 mm. Single leaf alternate, lanceolate, 5.5-8.5 cm long, 1.4-2.2 cm wide, apex acuminate, base cuneate, entire, glabrous on both sides; petiole 3-5 mm long, flowers solitary in axils, pedicel 5-14 cm long, twining; corolla pale bell shaped, blue purple, 3-6 cm in diameter; petals 6, narrowly elliptic, 4.5 cm long; stamens 5. Capsule obovate, 18-24 mm long, after ripening, ventricular. Seeds numerous, subovate, light brown.

It grows on the hillside and under the shrubbery. It is distributed in Yunnan, Guizhou and other places.

[collection] collect in autumn, clean, slice and dry.

Sweet and smooth.

① "Diannan Materia Medica": "the nature is gentle, the taste is sweet and slightly bitter. "

② "Kunming folk commonly used herbs": "the nature is flat, the taste is light and sweet. "

[functions and indications] 1. Diannan materia medica; 2. For the end, twist knife wound sore, close very fast. "

② Common folk herbs in Kunming: "tonifying lung deficiency. Treatment of cough due to lung deficiency. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang. External use: grind and sprinkle.