Pair of leaf beans

Pair of leaf beans

(selected Chinese herbal medicines from Simao, Yunnan)

[synonym] Akebia Africana (selected Chinese herbal medicine from Simao, Yunnan).

[source] it is the leaf of Cassia winged, a leguminous plant.

[plant morphology] Cassia winged

Shrubs or small trees. Leaves nearly sessile, 30-60 cm long; leaflets 5-12 pairs, oblong, apex obtuse, 5-15 cm long, 5-7 cm wide, apiculate, hard leathery, base broadly rounded, and larger on one side, with narrow wings on both sides of leaf axis. Raceme 15-30 cm long, on the top of stem; bracts large, triangular, membranous, caducous; flowers yellow, with many obvious veins; stamens very unequal. Pods long ligulate, membranous, dehiscent, with one broad wing in the center of each petal, glabrous, 10-20 cm long and 12-15 mm wide.

Most of them are cultivated. Distributed in Yunnan, Guangdong and other places, throughout the tropical areas.

[collection] all year round. Most of them are fresh.

[chemical constituents] the leaves contain anthraquinones, flavonoids and rhein. The fruits also contain anthraquinone compounds.

[pharmacological action] the acid extract of the leaves has a slight injurious effect on sarcoma-37 inoculated into the thigh muscle of mice. The leaves and fruits contain anthraquinone glycosides, so they have purgative and antibacterial effects.

[nature and taste] selected Chinese herbal medicines from Yunnan pestilence: pungent, warm. "

[functions and indications] selected Chinese herbal medicines from Yunnan Simao: "kill insects and relieve itching. Treatment of neurodermatitis, psoriasis, eczema, skin itching, sore swelling. "

[usage and dosage] external use: mash juice.