Rabdosia rubescens

[ ] Pinyin name Dō n Lí n Cǎ o
[ alias ] mountain herbs, broken blood Dan, snow grass, No Ka, June, Hill Ebara, ice grass
[ source ]
Source: for medicinal Labiatae plants rice, entire grass.
Latin animal mineral name: Rabdosia rubescens ( Hemsl. ) Hara[Plectranthus rubescens Hemsl.; P.ricinispermus Pamp.]
Harvest and storage: harvest in autumn, washed, dried.
[ ] the original morphology of Cardamine soares, Bush, tall 0.5-1m. Rhizomes woody, a long fibrous roots. Stems erect, base nearly cylindrical, cortex longitudinally exfoliating, upper part of stem and branches are four prismatic, striate, brown or purplish red, densely sparsely pilose young very small, densely tomentose, with purple. Leaves opposite; petiole winged, even false handle long 1-1.3cm, upward gradient short; leaves ovate or rhombic ovate, long 2-6cm, wide 1.3-3cm, apex acute or acuminate, situation after apex a teeth longer, base broadly cuneate, attenuate suddenly become false wings decurrent, margin with coarse round tooth serrate, teeth with agenesis of the corpus callosum, it is scanty by small hydrophobic pilose and glandular dots, following closely by hoar short villi to nearly glabrous, veins often purplish red. Cymes3-5 flowers, stems and branches at the top are arranged in narrow panicles, total stem and2-5mm long pedicel and inflorescence axis densely puberulous, but often with purple; bracts diamond or diamond shape egg, round to lanceolate, upward gradient is small, in panicles lower is beyond the cyme inflorescence; bracteoles drill, linear or linear-lanceolate, puberulent; calyx bell form, long 2.5-3mm, outside densely gray hairs and glands of micro predict, marked with purple veins . Calyx teeth,10,5, slightly3/2type two lips, teeth are oval shaped triangle, near the blunt tip, about long. Half of the upper lip,3 teeth, tooth in the smaller, lower lip2 slightly larger and extended, when fruit calyx enlarged; corolla ca.7mm, but there are also smaller stamens reduced corolla, sparsely puberulent and glandular outside, crown length3.5-5mm, base shallowly saccate protruding above, to the throat diameter2-2.5mm two lips, limb, upper lip, apex with 4rounded teeth of lower lip broadly ovate, concave; stamens 4, slightly protruding stamens, or sometimes degenerate and concealed filaments flattened, below the middle of bearded; style filiform, apex equal out,2lobed; disk annular. Nutlets shape pouring egg three prism. Florescence 7-10 month, month of fruit period 8-11.
[ ] habitat distribution
Ecological environment: born in hillside, scrub, woodland and roadside sunningdale.
Resource distribution: located in Hebei, Shanxi, Shaanxi, Gansu, Anhui, Zhejiang, Jiangxi, Henan, Hubei, Hunan, Guangxi, Sichuan, Guizhou.
[ character ]
Character identification, stems, base subrounded, upper square column shape, long 30-70cm. The lower surface is grey brown or grayish brown, longitudinally exfoliating skin; the upper epidermal red purple, gentle prying, hard brittle, section yellow. Leaves opposite, leaves fold, after flattening is ovate, long 2-6cm, wide 1.5-3cm, apex acute or acuminate, base broadly cuneate, attenuate suddenly become false wings decurrent, margin coarsely serrate, teeth with agenesis of the corpus callosum, above green brown, with glandular dots, pale green below, along veins sparsely pilose; petiolate. Cymose panicles terminal, total stem and flower peduncle and rachis densely pilose; small flowers; calyx campanulate, calyx teeth5, two lip, corolla two lip, stamens 4. Nutlets shape pouring egg three prism, light brown, glabrous. Micro gas smell, taste bitter, sweet.
In leaves, the color green is preferred.
Microscopic identification, leaf surface view: epidermal anticlinal wall winding; gland scale, many glandular hairs, glandular scale head oblate,4 cells, stem short, single cell;1-2 cell glandular head, the diameter of 16-24μ m, handle single cell; non glandular hairs less,1-3 cells, type of conical, long 32-120μm, base diameter of32 μ m; leaf margin and veins non-glandular hairs are more,2 cells, forms a hook shape. The lower epidermis and epidermal similarity, a straight shaft type pore.
[ ] stems and leaves with chemical composition of volatile oil in 0.05%, mainly forα - pinene (α pinene ),β- pinene (β -pinene ), limonene ( limonene ),7,8- palm leaf pigment (1,8-cineole ), p-cymene (ρ -cymene ), pelargonic aldehyde ( nonaldehyde ), capric aldehyde ( decanal ),β- Lam Hong Xi (β -elemene ), palmitic acid ( palmitic acid ). Ye Handong Ling of oridonin ( rubescensin A, oridonin ), Rubescensine B ( rubescensin B, ponicidin ),α- amyrin (α -amyrin ). Lushi oridonin ( ludongnin A ), Lushan Mountain oridonin ( lushanrubescensin A ), ursolic acid ( ursolic acid ), Xinyang rubescens, B ( xindongnin A, B ), Lushan Mountain of Rabdosia rubescens Caoyi, C, D ( lushanrubescensin, B, C, D ), Guizhou of oridonin ( guidongnin ),β- sitosterol (β -sitosterol ),β- sitosterol glucoside ( -D-β -sitosterol-D-glucoside ),2 α- hydroxy ursolic acid (2 α -hydroxyursolic acid ), ( circiliol) in line.
[ identify ] physicochemical identification, thin layer chromatography : take this product with ether powder1g,20ml4h after cold, concentrated sample, another oridonin control products. Each sample in the same G silica gel sheet, to ethane - acetone (6:4)11cm mounted, with iodine vapor color. For the test items for spectrum and reference substance in the corresponding location of chromatography, showed the same yellow spots.
[ ] bitter taste; Gan; slightly cold
[ ] functions of heat-clearing and detoxicating; promoting blood circulation and relieving pain. The main throat; cold headache; bronchitis; chronic hepatitis; rheumatoid arthritis; snake bites
[ usage]: orally taken decoction,30-60g; or wine.
Excerpts from" Chinese Materia Medica" [ ]

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