Red bean

Red bean

(commonly used Chinese herbal medicine in Sichuan)

[source] it is the seed of the leguminous plant Hongdou.

[plant morphology] ormosia, also known as ormosia in Western Hubei and ormosia in Jiangyin.

Arbor, 9-15m high. The bark is gray and smooth. The leaves are simple pinnate compound, alternate; 12-20 cm long; 5-7 leaflets, nearly leathery, long elliptic or long elliptic ovate, 5-12 cm long and 2.5-5 cm wide, apex acuminate, base cuneate or obtuse, glabrous, below gray white, margin entire. Panicle terminal or axillary; flowers white or light red, less aroma; calyx bell shaped, dense yellow brown pubescence, lobes short, several round; corolla butterfly shaped, petals clawed; stamens 10, separated; ovary superior, glabrous, 5-6 ovules, style 1, purple, curved, stigma oblique. Pods woody, flat, round or elliptic, 4-6.5 cm long, 2.5-4 cm wide, apex beaked. Seeds 1-2, bright red, nearly round, 1.3-2 cm long, hilum about 9 mm long. The flowering period is from April to May. The fruiting period is October.

Born by river or forest. It is distributed in Shaanxi, Jiangsu, Hubei, Guangxi and Sichuan.

[collection] collect seeds in late autumn and early winter for reserve.

[chemical constituents] many plants of this genus contain alkaloids such as n-methyl-genistein, n-methyl-tetrahydrogenistein, hongdoushunine and huanghuamu alkaloid.

[nature and taste] common Chinese herbal medicine in Sichuan: "it has a flat nature, bitter taste and little poison. "

[functions and indications] Sichuan commonly used Chinese herbal medicine: "Regulating Qi and dredging meridians. Treatment of hernia, abdominal pain, blood stasis, amenorrhea. "

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