Prunella vulgaris

White flower

(manual of common Chinese herbal medicine in Qinghai)

[synonym] white sweet honey.

[source] it is the whole plant of Cymbidium heterophyllum.

[plant morphology] Cymbidium heterophyllum, also known as white flower.

Perennial herbs, 5-40 cm high. Tapioca root system. Stem tetragonal, erect or inclined, mostly from the base part of the branch oblique growth, lavender or green, with inverted short hair. Leaves opposite, long petiole, ovate or ovate lanceolate, 1-3 cm long, 0.8-1.5 cm wide, apex obtuse, base often truncate, cordate or cuneate, margin serrate. The flowers are usually composed of 4-6 flowers in each round; the bracts are elliptic lanceolate, with teeth at the edge and awn spines at the apex of the teeth; the calyx is tubular, about 1cm or more long, glabrous, 2-lipped, 5-toothed, lower lip shorter than the upper lip; the Corolla is nearly funnel-shaped, tubular below the middle, about 2cm long, 2-lipped, lower lip shorter, 3-lobed, and the middle lobes are white and smooth Green, upper lip slightly pink; stamens 4, slightly outside corolla. Nutlets 4, black, oblate, slightly oblate, 2.5 mm long, upper truncate, lower slightly acute. The flowering period is from June to July.

It grows on the roadside, slope, grassland or cypress forest. Distributed in Qinghai, Gansu, Tibet and other places.

[collection] when flowers bloom from June to July, the whole grass is collected, the soil is cleaned, the residual leaves and branches are removed, and the stems are flattened with sticks and dried in the air.

[pharmacological] mice received oral acid and alcohol extract 1.6 g / kg, which had the effects of relieving cough (ammonia spray and cough) and expectorant (Fen Hongfa), but no antiasthmatic effect (guinea pig histamine spray method). It has the same antibacterial effect as Cymbidium perfoliatum.

[nature and taste] 1. Manual of common Chinese herbal medicine in Qinghai Province: "bitter, pungent, cold. "

② "Medicine atlas of Qinghai Tibet Plateau": "Xin, Han. "

Functions and indications: calming the liver and clearing away heat. Treatment of hypertension, lymphadenitis, lung heat cough.

① "Qinghai commonly used Chinese herbal medicine manual": "clearing liver fire, dispersing stasis. "

② "Qingre" in medicine atlas of Qinghai Tibet Plateau. Treatment of jaundice fever, fever, headache, eye Yi. "

[usage and dosage] oral administration: decoction, 2-4 yuan; or powder.

[prescription selection] ① treatment of lymph node tuberculosis and lymphadenitis: Prunella vulgaris, radix ginseng, oyster and elephant. Take it in water.

② Treatment of hypertension: white flower Prunella three money, four money, health three money, four money. Take it in water.

③ Nail abscess: Prunella vulgaris four money, five money, five money, < U > grass < / u > five money, fried five money. A total of research fine end, each take two money, twice a day, water delivery. (the manual of common Chinese herbal medicine in Qinghai was selected.)

[clinical application] treatment of chronic tracheitis

Take isophyllum decoction, 2 times a day, 3 yuan each time. 788 cases were observed, the effective rate was 74.61%, the effective rate was 93.66%.