Black bean root

Black bean root

(Guizhou folk medicine)

[synonym] Sophora tonkinensis.

[source] it is the root of Sophora pseudoacacia.

[plant morphology] Sophora japonica

Shrub, 1-2m high. Branchlets densely brown pubescent. The leaflets are oblong to obovate long elliptic, the lower leaflets are smaller, 1.5-4 cm long, the apical leaflets are larger, 4-6 cm long, the apex is acuminate, sometimes obtuse, the base is cuneate to round, the whole margin, the upper part is covered with light rusty short hairs, later becomes glabrous, and the lower part is covered with light rusty hairs. Raceme axillary exophytic, often close to opposite leaves; calyx campanulate, 5 shallow notched, covered with light rust colored pubescence; corolla butterfly shaped, light yellow, flag petal narrow obovate, wing petal and keel petal claw; stamen 10, filament base hairy; ovary hairy, stigma capitate. The pod is 2-5 cm long. Seeds 1-3. The flowering period is May. The fruit period is from July to August.

Under the forest, in the wet bush or on the stone wall. It is distributed in Guangxi, Yunnan, Guizhou and Sichuan.

[collection] all year round.

It is cool in nature and bitter in taste.

[function indications] heat clearing and dehumidification. Treat tuberculosis and diarrhea.

[selection] 1. Treatment of tuberculosis: Radix Aconiti or Radix Aconiti. Wine making clothes.

② Treatment of watery diarrhea: wudougen 5 points. Wear water clothes.