Bean tree

Bean tree

(Guangxi Chinese herbal medicine)

[synonym] doudoushu, baiheshen, niuweishu (Guangxi Chinese herbal medicine), doudoumu, jieguliangsan, dalangsan, dachaoyang, morimulangsan (Guangzhou Air Force Manual of commonly used Chinese herbal medicine).

[source] it is the root, leaf or fruit of Bignoniaceae plant Phaseolus vulgaris.

[plant morphology] Phaseolus vulgaris

Deciduous tree, 5-12m high. The root is straight, the root bark is thick, and the color is white. The bark is rusty black, and the branches and leaves gather on the dry top. Leaves opposite, 2-3 times odd pinnate compound; leaflets opposite, ovate to ovate lanceolate, 2-9 cm long, 1-3.5 cm wide, apex caudate acute, base suborbicular, entire, both sides green glabrous. Raceme terminal; corolla white, long tubular, 12-14 cm long, lobes 5. The fruit is columnar, pod like, 50-80 cm long, drooping, 2-lobed at maturity, with many seeds in it, membranous. It blooms in summer.

In the thicket or sparse forest of limestone mountain. It is distributed in Guangdong, Guangxi and Taiwan.

[collection] root, which can be harvested all year round; leaf, which can be harvested in summer and autumn; fruit, which can be harvested in winter.

[nature and taste] Guangxi Chinese herbal medicine: "bitter, cold. "

Functions and indications: clearing away heat and toxin, dispersing blood stasis and relieving pain, treating heat, fever, high fever, headache, stomachache, traumatic injury, carbuncle and furuncle.

① Guangxi Chinese herbal medicine: "dispersing blood stasis and detumescence, clearing away heat and toxin. "

② "Cooling blood, dispersing blood stasis, detumescence and relieving pain" is a common Chinese herbal medicine manual of Guangzhou air force. Treatment of high fever, headache, stomachache, sprain, contusion, fracture, carbuncle, snake bite. "

[usage and dosage] oral: decoction, 3-5 yuan. External use: tamping or frying and washing.

[formula selection] ① to treat heat and injury: appropriate amount of fresh leaves of kidney bean tree, decoct with water and wash the whole body.

② Treatment of traumatic injury: bean root 1 to 22. Fried in water or soaked in wine.

③ Treatment of snakebite: bean leaves or fruit mashed apply head fontanelle (first shave hair) place. (Guangxi Chinese herbal medicine was selected)