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Zanthoxylum schinifolium Sieb. et Zucc.
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English Name |
Peppertree, Pricklyash, Green Pricklyash, Peppe Tree, Pepper-tree Prickly-ash, Wingedstalk Pricklyash, Taiwan Prickly-ash, Wing-dstalked Pricky-ash |
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Latin name |
Zanthoxylum schinifolium Sieb. et Zucc. |
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Family & Genus |
Rutaceae, Zanthoxylum |
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Description |
Machaka, 1-3m high, aromatic; bark dark grey, with many prickles, hairless. Singular pinnately compound leaf, alternate; leaflets 15-21, opposite or nearly opposite, asymmetric ovate to elliptic lanceolate, 1-3.5cm long, 0.5-1cm wide; main vein sinks, lateral vein not distinct; rachis with narrow wing, with sparse and slight upward small prickles. Semi-ovary shaped panicle, basidixed, 3-8cm long; flower small and plentiful, cyan, unisexual, 5; perianth clearly divided into calyx and petals, arranged in two arrays; a dark glandular dot on the top of male flower stamen connectivum, degenerated carpel thin and small, 2-3 lobed on the top; male flower carpel 3, without ovary stipe, stigma capitate. Follicle surface grass green, yellowish green to dark green, with fine wrinkles, dark glandular dot, punctiformly sunk, with beak like tine on the tip. Flowering: August to September, Fruiting: October to November. |
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Distribution |
Growing in forest margins, thickets or by rocks of slopes. Can be cultivated. Distributed in Liaoning, Hebei, Shandong, Jiangsu, Anhui, Zhejiang, Jiangxi, Henan, Hunan, Guangdong, Guangxi and etc. The medicinal materials are mainly produced in Northeast China, Jiangsu, Guangdong and etc. |
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Part Used |
Medical part: mature pericarp and seeds. Chinese name: mature pericarp: Huajiao. Seeds: Jiaomu. |
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Harvest & Processing |
Mature pericarp: harvested mature fruits in autumn, sundried, removed seeds and impurities. Seeds: picked from Sept-Oct when fruits mature, air-dried till fruits crack, taken out seeds when pericarp separated from seeds. |
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Chemistry |
Contains essential oils, mainly like estrgole. Pericarp contains lactone and benzoic acid. |
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Pharmacology |
Beneficial to digestive system, pain-killing, anti-inflammatory, locally anaesthetizing, effective on thrombopoiesis and coagulation system, bacteriostatic and killing scabies mite. |
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Properties & Actions |
Mature peel: pungent, warm. Seeds: bitter, pungent, warm, mild-toxic.Mature pericarp: warming spleen for suppressing pains, destroying parasites for suppressing itching. Seeds: disinhibiting diuresis for detumescence, dispelling phlegm and calming panting. |
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Indications & Usage |
Mature fruit peel: used for cold and pain of stomach and abdomen, vomiting and diarrhea, enterozoic abdominalgia, ascariasis, externally applied to treat eczema and pruritus. Seeds: used for edema and tumescence, dyspnea due to phlegm and retained fluid.Mature pericarp: oral administration: decocting, 3-6g, or made as pills or powders. External application: appropriate amount, decocted for washing or mouth rinse; or powdered for applying. Not use in cases of excess fire due to yin deficiency. Use with caution in cases of pregnancies. Seeds: oral administration: decocting, 5-8g; or made as pills or powders. Not use in cases of excess fire due to yin deficiency. |
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Examples |
Mature fruit peel:
Wind toxin and edema of hand feet: fresh bunge pricklyash powder, salt powder of equal amount. Prepare with vinegar, and apply externally.
Seed:
Long term edema, abdomen as large as large drum: bunge pricklyash seed (submerged into water), pick out and stew, pestle until it becomes a paste, swallow a small spoon with liquor. |
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