Han Xin Cao ear pick grass Dali grass blue flower teaspoon Huang to Tianzhan
Scientific name: ScutellariaindicaLinn.
Alias: ear-digging grass, powerful grass, blue flower teaspoon
Family and genus: the dried whole grass of the genus Scutellaria of Labiatae.
Morphological features:
Hanxincao is a perennial evergreen herb; the stem is solitary or several tufted, originating from a short rhizome, 12-28 cm high, thin, square columnar, puberulent. Leaves herbaceous to subpapery, cordate-orbicular to ovoid, sometimes elliptic, 1.5-2.6 cm long, apex obtuse or rounded, base rounded or more cordate, margin rounded-serrate, pilose or strigose on both surfaces; petiole 0.4-1.4 cm long or beyond.
Flowers bloom in spring and summer; flowers blue-purple, opposite, several arranged in terminal racemes; Calyx 2.5 mm long, campanulate, 2-lipped, orbicular scutellum on back of posterior lobe ca. 1.5 mm, increasing to 3 mm in fruit Corolla 1.4-1.8 cm long, puberulent, crown tube base forward knee-shaped, upper straight extension, cornice two-lipped, upper lip helmet-shaped, microconcave head, lower lip lobes larger, ovoid, middle constricted; stamens 4, didynamous stamens. Nutlets 4, ovate, ca. 1 mm, enclosed in enlarged persistent calyx.
Born on hillsides, grasslands, wilderness, roadsides, valleys and forest margins.
Distributed in our province and Shaanxi, Henan, Jiangsu, Zhejiang, Anhui, Jiangxi, Fujian, Taiwan, Sichuan, Guizhou, Yunnan, Hunan, Guangxi, Hainan and other provinces and regions, India, Indonesia, Japan.
Medicinal materials:
Origin: there are products in various parts of our province.
Harvest and processing: harvest in spring and summer.
Pull up the whole grass, shake off the sediment, wash it and dry it.
Traits:
The whole grass is 10 to 25 centimeters long. The roots are slender. The stem is four-columnar and branched. Leaves opposite, stipitate; leaf blade wrinkled, flattened and oval, 1-2 cm long, 0.8-1.5 cm wide, green-brown, apex obtuse, base heart-shaped, margin obtusely serrate, both surfaces densely fine hairs.
Racemes terminal, Corolla blue, mostly deciduous. The nutlet is horizontal, the residual calyx is bell-shaped, and there is a saccular shield scale on the back of the calyx tube, which is "ear-dug".
The breath is slight, the taste is slightly bitter and salty. Quality requirements: fine stems and branches, many leaves, green-brown, with "ear dig"-shaped fruit branches are the best. Packaging and storage: bundled and pressed into a handful, plus mat sealed, stored in a dry place.
Processing: picking out impurities, cutting, sieving ash shavings.
Nature: bitter, bitter, slightly cold. Meridian tropism: meridian of heart, liver and lung.
Function and indications:
Clearing heat and detoxification, dispelling blood stasis and stopping bleeding, dispelling wind and relieving pain. For liver heat irritability, lung heat asthma cough, blood heat hemoptysis, hematemesis, sore throat, wind and fire toothache.
External use to treat swollen carbuncle, fall, swelling and pain, traumatic bleeding, venomous snake bite.
Usage and dosage: 6-9 grams, fried in water. Mash the affected area with an appropriate amount of fresh products for external use.
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