Purple grass is mainly the dried root of the plant of the family of comfrey, Xinjiang purple grass or Inner Mongolia purple grass, purple color, fluffy, as purple weeds, named purple grass. Comfrey, bitter taste, cold nature, has the function of clearing heat and cooling blood, blood detoxification, penetrating rash and eliminating spots, the main treatment of blood-heat and toxicity, spot rash purple and black, measles impermeable, sores, eczema, water and fire burns.

The dried root of comfrey is used as medicine, which has the function of cooling blood, activating blood, clearing heat, removing toxins and penetrating rashes, and treating warm-heat spots and rashes, damp-heat yellow bile, vomiting blood, maggot blood, urinary blood, gonorrhea, bloody dysentery, hot constipation, burns, eczema and dengtoxin.

Expanded Information

Purple grass inflorescences born on the upper part of the stem and branches, 2-6 cm long, fruiting prolonged; bracts with the leaves isomorphic and smaller; calyx lobes linear, about 4 mm long, the fruit can be up to 9 mm, the back of the short strigose hairs; corolla white, 7-9 mm long, slightly hairy outside, the tube is about 4 mm long, the cornice and the tube is nearly equal! long, lobes broadly ovate, 2.5-3 mm long.

entire or sinuolate, apex sometimes retuse, throat appendages hemispherical, glabrous; stamens inserted slightly above middle of corolla tube, filaments ca. 0.4 mm, anthers 1-1.2 mm; style 2.2-2.5 mm, stigma capitate. Nutlets ovoid, creamy-white or pale yellowish-brown, ca. 3.5 mm, smooth, glossy, with a longitudinal groove concave in the midline of the ventral surface.

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