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Trigonotis peduncularis (Trev.) Benth. ex Baker et Moore
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English Name |
Pedunculate Trigonotis, |
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Latin name |
Trigonotis peduncularis (Trev.) Benth. ex Baker et Moore |
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Family & Genus |
Boraginaceae, Trigonotis |
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Description |
Annual herb, 5-30cm high. Stem slightly light purple, generally branched from basal part, slim, upright or obliquely ascending, with procumbent thin hairs. Simple leaf alternate; leaf of lower part sessile, leaf of upper part with short stipe or long stipe; lamina spathulate, elliptic, or long circular, 2-5cm long, 5-20mm wide, tip round blunt or sharp, basal part broad wedge shaped or gradually narrowed, both sides strigose. Cyme arranged in raceme; basidixed, curled before maturity, gradually extended later, 5-20cm long, flower small, generally grown on the back of inflorescence; leafy bractlet 2-3; peduncle short, flower back edge 3-5mm long; calyx 1-2.5mm long, 5 lobed, lobe invert ovate, flattened laryngeal part with 5 pieces of white or yellowish attachment; corolla tube equal to corolla lobe in length; stamens 5, hidden inside, grown in the upper part of corolla tube, not stretching out of corolla; pistil 1, ovary 4 deeply lobed, style basal, stigma head shaped. nutlet 4, obliquely triquetrous, pyramidal, tertrahedroid, 0.8-1mm long, black and glossy, with thin hairs on the surface, with short stipe, with 3 sharp ridges on the back. Flowering: April to June; fruiting: July to September. |
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Distribution |
Growing in fields, on roadsides, barren grassland or forest margins and thickets. Distributed in Northeast, North, East and Southwest China, Shaanxi, Xinjiang, Guangdong, Guangxi, Tibet and etc. |
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Part Used |
Medical part: whole plant. Chinese name: Fudicai. |
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Harvest & Processing |
Collected in early summer, used fresh or sundried. |
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Chemistry |
Flowers contain delphinidin-3, 5-diglucoside. Aboveground parts contain essential oils 0.013%-0.023%: 21 kinds of fatty acids, 20 kinds of alcohols, 14 kinds hydrocarbons and 12 kinds of carbonyls, terpenes: geraniol and α-terpineol, etc. |
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Properties & Actions |
Pungent, bitter, neutral.Promoting qi-flowing for suppressing pains, removing toxin for detumescence. |
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Indications & Usage |
Stomachodynia and acid regurgitation, dysentery, toxic heat and ulcerative carbuncle, numbness of hands and feet.Oral administration: decocting, 15-30g, or powdered. External application: appropriate amount, smashed for applying or powdered. |
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Examples |
Treat gastralgia, acid regurgitation, hematemesis: pedunculate trigonotis 3-6g, decoct and swallow; grind into a powder, and swallow 0.9-1.5g with water. |
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