Dozen arrows.

Pinyin name ] [ Dǎ Jià n J ú
[ alias ] as the new Daisy
[ source ]
Medicine medium source: as the Compositae in small flowers for Huang Ju.
Latin animal mineral name: Pyrethrum tatsienense ( Bur. Et Franch. ) Ling ex Shih [Chrysanthemum tatsienense Bur.et Franch.]
Harvest and storage:8-9 month recovery, removal of impurities, dry.
[ ] the original morphology in little Huang Ju perennial is herbaceous, tall 7-25cm. The rhizomes are remnant sheaths; stems1- several fascicled, white glossy hair. Basal leaves or lower stem leaves and leaf petiole subequal in length; basal leaves numerous, oblong, long 1.5-7cm, wide 1-2.5cm, two lobes pinnatifid, bar or diamond shape; stem leaves alternate, pinnately parted, segments of thin strips subulate, plume axis of substantially equal width; the upper part of undivided or near cleft; all the leaves are sparsely villous or glabrous. Capitate, solitary stems top; involucral diameter 1-2cm; involucral bracts ca.4, entire bract margins dark brown or brown membranous; flower, orange red or orange, tongue tip 3 tooth crack; tubular spendthrift-shaped. Achene ca.3mm,5-8raised longitudinal ribs, crested coronary; at the crested small, round ears a range, with or without pappus. Fruit period7-9 month.
[ ] habitat distribution
Ecological environment : in alpine meadow.
Resource distribution: distribution in Qinghai, Sichuan, Yunnan, Tibet and other places.
[ character ]
Character identification of inflorescence collapse into a group, the diameter is about 10mm. Peduncle slightly bent, of different lengths, longitudinally angular, shall be white mercerized wool, or hair loss in purple. Total hemispherical, bracts numerous,3-4layer, the outer strip lanceolate, abaxially densely white villous. A1layer, tongue much shrinkage, expansion after about 13mm long, apex 3 - tooth crack, orange orange above, below. Tubular flower yellow brown, bisexual,5 stamens, medicine, pistil stigma2 crack, the brush head shape, yellow brown, ovary inferior, no pappus. Lightweight, soft. Gas smell, taste bitter.
Corolla orange to orange red, fragrant air is preferred.
Microscopic identification of characteristic: Brown powder. ①pollen grains circle is globose, diameter 24-28( -31)μ m, brownish yellow, with 3apertures, germinal furrow, outer edge spiny. The pollen sac wall cell oval or long oval, wall with point v, strip or spiral thickening. The bracts epidermis cell polygon, stomatal infinitive, accessory cell3-4. The non glandular hair by 4-7cell composition, bending, with yellowish brown trait, apical cell is longer. The glandular head consists of 2-8cells, stem short, consisting of 2cells.
[ ] the chemical composition of inflorescence contains flavone, amino acids, organic acids, alkaloids, in addition, aldehydes and ketones showed positive reaction.
[ ] physicochemical identification identification of take the powder 2G,2% of sodium carbonate solution25ml, shaking, placed30min, filtration, the filtrate with dilute hydrochloric acid ( pH4-6),15ml extraction with ether, diethyl ether, depending on the water bath liquid, dry, residue and absolute alcohol dissolved 1ml, displacement of test tube, plus methyl red indicator1 drops, namely, marked in red.
[ ] taste bitter cold;
[ indications ] blood stasis; pain relief. The main traumatic injury cell back pain; headache;
[ usage]: orally taken decoction,3-9g.
Excerpts from" Chinese Materia Medica" [ ]

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