Morphological characteristics
Semi-shrub herb with intense aroma. The main roots are obvious, with more lateral roots; rhizomes are slightly thicker and shorter, erect or obliquely upward, 3-7 mm in diameter, often with short stolons. Stems single or few, 80-150 cm tall, brown or slightly reddish, with prominent longitudinal ribs, numerous branches, spreading or slightly spreading, branch length 10-25 cm; stems, branches slightly pubescent at early, rear Fall off. It is at first white or grayish yellow fluff, on or after getting sparse leaves abaxially densely gray arachnoid villi; basal leaves and stem lower leaves ovate or ovate, (to a) two or pinnatifid Close to large plumes, usually firstly cracked or deeply split, with 3-4 lobes on each side, lobes elliptic, lobes large in upper half, base lobes decreasing, secondary reflexes deep or shallow Or coarsely serrated, or basal leaves undivided, sometimes with narrow wings on midline, short petiolate, wilted leaves at florescence; middle leaves ovate, long ovate or elliptic, 5-8 cm long, 3-5 in width In centimetres, one (to two) pinnate or full head pinnate, with 3(-4) lobes per side, lobes elliptic-lanceolate, linear-lanceolate or linear, 1-2 cm long , 3-5 mm wide, no longer split or have 1-2 deep or shallow fissured teeth, not recurved or slightly recurved, subsessile, with small false stipules; upper leaves pinnatispitally, lobes per side 2 (-3) pieces; sepals 3 full-splitting or non-dividing, lobes or non-splitting sepals lanceolate or linear-lanceolate. Inflorescences ovate, long ovate or broadly ovate, numerous, 2-2.5 mm in diam., with short stalks and small bracts, erect, spreading or pendulous after anthesis, spikelike on branching racemes or panicles, and re-composition of the stem to carry out moderate or panicles undertaken; bracts 3-4 layers, slightly smaller outer bracts, micro back surface is at first gray hair, no fall off gradually after Hair, green ribs, margin membranous, middle and inner lamellae elliptic or long ovate, abaxially subglabrous, margin broadly membranous or all semimembrane; inflorescences prestressed, raised; female flowers 4 -8-flowered, narrow corolla of corolla, purplish-red, with 2-3 split teeth, small glands on outer surface, style extending from corolla, apex 2-fork, fork tip; bisexual flowers 8-12, corolla tube, Small glands on the outside, purple on the hips; anthers linear, apex appendage apex, long triangles, base obtuse, style slightly longer than corolla, apex 2-yoke, recurved after flower, fork end flat, fan-shaped, and lashes. Achenes oblong or obovate. Flowering and fruiting period from August to October.
Cosmetics are compound mixtures made of various raw materials through reasonable deployment and processing. Cosmetics have a wide variety of raw materials with different properties. According to the raw material properties and uses of cosmetics, it can be roughly divided into two categories: matrix raw materials and auxiliary raw materials.
The former is a kind of main raw material of cosmetics, which occupies a large proportion in cosmetic formulations and plays a major functional role in cosmetics. The latter is responsible for shaping, stabilizing or imparting color, fragrance and other properties to cosmetics, which are not used in cosmetic formulations, but are extremely important. Cosmetics are chemical mixtures made of natural, synthetic or extracted substances with different functions as raw materials and processed through production procedures such as heating, stirring and emulsification.
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