Lilac Polygonum

[ ] Pinyin name D n Xi a n Li be be be o
[ alias ] Ding Ziliao, red cowpea, horn, water melon, water grass, Shui Ju Tsai, clove, water, Tian Liao water jute willow grass, grass, grass jelly, kenaf silver tin and grass, sand, water, water bottle in Yau Ma Tei mountain rat melon, water borax
[ source ]
Medicine source: for Onagraceae plant lilac Polygonum entire grass.
Latin animal mineral name: Ludwigia prostrata Roxb.
Harvest and storage: Autumn results when harvesting, cutting, fresh or dried.
[ ] the original morphology of annuals, high 40-60cm. The majority of fibrous roots; seedling procumbent ground, or tilting horizontal shape, after pumping stems erect or the lower ramp, much branched, with longitudinal ribs, reddish purple, glabrous or slightly by undercoat. Leaves alternate; petiole length3-8mm; leaf blade lanceolate or oblong-lanceolate, length 2-8cm, width 1-2cm, entire, subglabrous, with purple spots. Flowers bisexual, single born in leaf axils, yellow, sessile, basal bracteoles 2; calyx tube connate with ovary, sepals 4, ovate-lanceolate, long 2.5-3mm, slightly pubescent outside; petals 4, slightly shorter than calyx lobes; stamens 4; ovary inferior, styles short, single capitate stigma. Capsule linear four square, some4 prism, length 1-4cm, width of about1.5mm, slightly purple, after maturation chamber back irregularly dehiscent; seeds numerous, small, smooth, brown. Flowering of 7-8 months, fr.9-10.
[ ] habitat distribution
Ecological environment : in field, water, wet and marshy ditch banks.
Resource distribution: located in Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Sichuan, Guizhou etc..
[ character ]
Character identification: the whole plant is smooth. Taproot long-conic obviously, much branched. Stem diameter0.2-0.8cm, lower stem section to be more fibrous root; upper much branched, with edges and corners of approximately5, dark purple or brownish green, easily broken, section gray, hollow. Leaves alternate, more complete collapse, after flattening showed lanceolate, margin entire, apex acuminate, base attenuate, length 4-7cm, width 1-2cm. 1-2 flower of flower, axillary, sessile. The sepals, petals are4 crack, calyx night latch, petals elliptic, apex obtuse. Capsule strip four prismatic, erect or curved, purple, apex night calyx. Seeds small, smooth, brown. Gas micro, salty taste, slightly bitter.
Microscopic identification of the transverse section of the stem: epidermis for 1column square cells, outer sheet cell non glandular hairs, and has 5outwardly projecting edges. Cortical narrow. Lateral column 2-3cells as collenchyma, medial 3-4cells in a column shape, thin wall; inside the near cortex a few fibers dispersion in wood, wall thickness. Within the cortex was apparent. Phloem narrow. Xylem single or2-3 phase separation in wood, wall; ray width1-2columns of cells. The bribe money parenchyma cells round, bribe middle often hollow. The parenchyma cells contained calcium oxalate crystal minority party.
Ye Heng: on the lower epidermis of section, are 1column type rectangular cells, by non glandular hairs and glands. Palisade tissue does not pass through the midrib, sponge tissue loose arrangement. The main vein vascular collateral type, phloem xylem narrow; radial. Main veins under the skin, inside a series of collenchyma cells, parenchyma cells contain calcium oxalate crystals, crystal clusters.
[ ] this product chemical composition containing gallate ( gallic acid ) and chebulic acid three ethyl ester ( triethylchebulaie ).
[ ] the water extract of Polygonum pharmacological effects of clove removal after tannin isolated from gallic acid and chebulic acid three ethyl ester, in vitro tests confirmed the song inside, Schulze, boydii Shigella dysenteriae, etc. and Staphylococcus, Pseudomonas aeruginosa and has good antibacterial effect.
Discrimination [ ]
Take the powder 1g, plus ethanol15ml, return30 minutes, cooling, filtration. The filtrate for the following test: 1to obtain filtrate little, drop in on filter paper, spray with 0.1% bromophenol blue ethanol solution, on a blue background with yellow spots. ( check the organic acid ).
2with1ml filtrate, add 1% to1 drops of ferric chloride solution, explicit blue-black. ( check the gallic acid )
[ ] the taste of bitter cold;
[ function ] detoxification; urination; removing blood stasis and hemostasis. Primary lung heat cough; sore throat; swollen; dysentery; jaundice; with pain; edema; belt; hematemesis; hematuria; hematochezia; carbuncle swollen; swelling of scabies; traumatic injury; trauma; snake bites, rabies
[ usage]: orally taken decoction,15-30g; or sparkling wine. External : the amount, trace and apply.
[ ] this product is attached to party like life of paddy field, water, flowers and ovary morphology and clove close, whole plant Polygonum, capsule resembling flax, flax and Yau Ma Tei, lilac, lilac and water knotweed, Tian Liao grass, water in the name of Yau Ma tei.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/