Sophora tonkinensis

Sophora tonkinensis

(common folk herbs in Kunming)

[synonym] Sophora tonkinensis (commonly used folk herbal medicine in Kunming).

[source] it is the root of cowpea.

[plant morphology] Yunnan wild cowpea, also known as wild cowpea.

Perennial twining herbs. The root is straight and plump, with few branches and brownish yellow surface. Stem long, slender, covered with long brown hairs. 3-compound, alternate; petiole 2.5-3 cm long, hairy; middle leaf rhomboid ovate, 21-24 mm long, 13 mm wide, apex pointed, base broadly cuneate, entire, petiole about 4 mm long; leaflets on both sides broadly ovate, asymmetric, petiole about 1.5 mm long; stipules lanceolate, apex pointed, base subcordate, hairy. 2-3-flowered racemes, axillary, pedicel about 10 cm long; bracts small, linear; corolla butterfly, purplish red. Pods linear cylindrical, ca. 6 cm long; seeds 10, rectangular elliptic, black.

In the hillside, roadside and grass. It is distributed in Yunnan.

[collection] in autumn, they were collected, cleaned, sliced and dried.

"Bitter" is commonly used in Kunming. "

[functions and indications] common folk herbs in Kunming: "please heat and detoxify, detumescence and pain relief, and benefit the throat. Treatment of wind fire, toothache, sore throat, tuberculosis, abdominal distension, stomachache, constipation, sores, measles in children, joint pain. "

[usage and dosage] oral: decoction, 3-5 yuan. External use: grind and sprinkle.