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Syzygium Jambos (Linn.) Alston
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English Name |
Rose Apple, Roseapple, Rose-apple, Malay Apple, Jambos |
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Latin name |
Syzygium Jambos (Linn.) Alston |
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Family & Genus |
Myrtaceae, Syzygium |
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Description |
Arbor, 10m high. Trunk extremely short, branches plentiful, leaf opposite; petiole 6-8mm long; lamina coriaceous, lanceolate or long circular, 12-25cm long, 3-4.5cm wide, tip long and gradually pointed, basal part broad wedge shaped, leaf surface with many transparent small glandular dots; pinnate vein, lateral vein 12-16 pairs. Raceme basidixed; peduncle 1-2cm long, flower white, 3-4cm in diameter; calyx tube turbinate, 8-10mm long, calyx teeth 4, semicircular, 6mm long, 8-9mm wide; petal 4, separated, broadly ovate, about 14mm long, stamen plentiful, 2-2.8cm long, anther 1.5mm long, grown in T shape, longitudinally arranged; ovary inferior, style equal to stamen in length. Fruit spherical, pericarp fleshy, 3-5cm in diameter, yellow when mature, with oily glandular dots, seed 1-2, polyembryony. Flowering: March to April, fruiting: May to June. |
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Distribution |
Growing along river bank and ravine humid places. Distributed in Fujian, Taiwan, Guangdong, Hainan, Guangxi, Guizhou, Yunnan and etc. |
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Part Used |
Medical part: pericarp, seeds, leaves and root bark. Chinese name: pericarp: Putaoke. Seed: Putaozhongzi. Leaves: Putaoye. Root bark: Putaogenpi. |
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Harvest & Processing |
Pericarp: in summer, fruits become mature, collected mature fruits in batches, removed seeds, sun-dried the pericarp or baked to dry. Seeds: collected mature fruits in summer, taken the seed, and sun-dried. Leaves: collected throughout the year, sun-dried or used fresh. Root bark: excavated throughout the year, well washed, cut into segments, used fresh or sundried. |
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Properties & Actions |
Peel: sweet, little sour, warm in nature. Seeds: sweet, little sour, cool. Leaves: bitter, cold. Root peel: bitter, little harsh, cool. Toxic.Pericarp: nourishing stomach, tonifying spleen and lung, checking cough, breaking blood to eliminate stasis, dissipating swelling. Seed: tonifying spleen and relieving diarrhea. Leaf: clearing heat and detoxifying. Root bark: cooling blood and detoxifying. |
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Indications & Usage |
Fruit peel: vomiting and hiccups due to gastric cold, splenasthenic diarrhea, lingering dysentery, pulmonasthenia, itching tumor. Seeds: splenasthenic diarrhea, lingering dysentery, diabetes. Leaves: mouth and tongue ulcers, pyocutaneous disease. Root peel: diarrhea, dysentery, traumatic hemorrhage.Pericarp: oral administration: decocting, 6-15g. Or made as medicinal liquor. Seed: oral administration: decocting, 3-9g. Leaf: external application: appropriate amount, decocted for gargling or washing, or powdered for application. Root bark: oral administration: decocting, 6-15g. External application: appropriate amount, triturated for application or powdered for application. |
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Examples |
1. Diarrhea, dysentery: rose Apple fruit 15-30g. Decoct in water and swallow.
2. Hemorrhage due to knife wound: an appropriate amount of fresh rose Apple root peel, pestle and apply externally, or grind root peel into a powder, and apply externally onto the lesions. |
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