Arnebia euchroma

Chinese Name: Arnebia euchroma

[category]: root class

Arnebia Root

[alias]: Arnebia mollis.

[source]: it is the root of Arnebia euchr0ma (Royle) Johnst.

[harvesting]: digging in spring and autumn, sun drying or low fire drying.

[nature and taste]: the root is irregular long cylindrical, twisted, 7-20cm long and 1-2? 5cm in diameter. The surface is purplish red or purplish brown. The skin is loose and flaky. It often overlaps more than 10 layers and is easy to peel off. There are divergent stem residues at the top. Light weight, soft, easy to break, irregular section, yellow white or yellow. It has special Qi, slightly bitter and astringent taste.

[plant morphology]: perennial herb, 15-35cm high. The whole plant is covered with white bristles. The root is conic, more twisted, and the purple cork is multilayered. Stem erect, simple or dichotomous at base. The basal leaves are tufted, lanceolate, 13 cm long, yellow green brown; the stem leaves are alternate, few and short. Flowers gathered into cymes, densely on the top of stem, nearly capitate; bracts lanceolate; flowers sessile, calyx short tubular, 5-lobed; corolla purple, long tubular, funnel-shaped, tube nearly equal to calyx lobes, apex 5-lobed, lobes elliptic, throat and base smooth; stamens 5, inserted in the middle of corolla tube, filaments very short or absent; ovary 4-lobed, style slender, stigma ball It's like this. Nutlets are bony, broadly ovate, light brown, with verrucous processes on the surface. The flowering period is from June to August and the fruiting period is from August to September.

[growing place]: it grows in the grass on the sunny slope of mountain. It is mainly produced in Xinjiang and Tibet.

[chemical constituents]: shikonin and its derivatives.

[function indications]: the same as Arnebia.