Caesalpinia lanceolata

Caesalpinia lanceolata

(Handbook of commonly used Chinese herbal medicine of Guangzhou Army)

[synonym] mangguo nail.

[source] it is the leaf of leguminous plant Cymbidium carinatum.

[plant morphology] Celastrus carinatus

It is a rattan shrub with lower curved barbs and yellow pubescence on each part. The leaves are 30-45 cm long; the pinnae are 6-9 pairs, opposite, with one pair of stipule like barbules at the place where the leaflets are inserted; the leaflets are 6-12 pairs, long elliptic, 1.5-4 cm long, 1.5-2 cm wide, with blunt and rounded apex and small convex tip, and oblique base; the stipules are large, leaflike, often split and fall off. Inflorescence: upper sepals densely scarlet, lower sepals glabrous, glabrous, glabrous, glabrous, glabrous; inflorescences axillary, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous, glabrous. The pod is oblong, 5-7 cm long, with a beak at the top and slender needles on the outside. Seeds 2-3, subglobose, lead gray, glossy. The flowering period is from August to October. The fruit period is from October to March next year.

Born in sparse forest and bush, on the wasteland of seaside village. It is distributed in Guangdong, Guangxi and Taiwan.

[collection] collected in summer and dried in the sun.

[chemical composition] the pod contains 30-48% tannin. The seed contains sterol, saponin, fatty oil and starch.

[pharmacological action] the bitter ingredient in seeds, bark and leaves, named bonducin or guilandinin, is a kind of resinous acid. It is said that it has quinine like antimalarial effect, but it has no effect on experimental malaria. Its antipyretic effect remains to be confirmed. The bitter ingredient can be further divided into four parts: "a" part has some antibacterial effect; "B" part has antipyretic and diuretic effect on rabbits, and also has some antibacterial effect; "d" part has significant earthworm killing (anthelmintic) effect. The bitter components and the alcohol extract of the seeds could slightly reduce the blood pressure of dogs and inhibit the frog heart, but the water extract had no such effect.

[nature and taste] The Handbook of commonly used Chinese herbal medicine published by Guangzhou Army: "bitter, cool. "

Functions and indications: according to the manual of commonly used Chinese herbal medicine published by Guangzhou Army: "removing blood stasis, relieving pain, clearing heat and detoxifying. Treatment of acute and chronic gastritis, gastric ulcer, carbuncle, furuncle. "

[usage and dosage] oral: decoction, 2-3 yuan. External use: tamping.