Digitalis flavescens

Digitalis flavescens

(materia medica of Southern Yunnan)

[synonym] Vicia sativa, KOUZHONG, housicao (Guangxi Medical Plant List), xiaolingling, goulingling (Yunnan Simao Chinese herbal medicine selection).

[source] it is the whole grass of the leguminous plant linglingdou.

[plant morphology] Campanula

Shrubby herb, 15-100 cm high, base simple or branched, branches thin and weak, slightly short hairy. Single leaf alternate, leaves oblanceolate, different sizes, smooth above, green, slightly pilose below, bluish gray, few petioles. Stipules very fine, such as bristles, not easy to see the naked eye. Raceme terminal or axillary at the same time, with 6-20 flowers; bracts and bracteoles very small, linear or filiform; bracteoles inserted at the base of calyx; calyx 6-8 mm long, deeply divided, calyx teeth rectangular or linear, apex narrowly pointed, slightly silky pubescent; corolla butterfly shaped, light yellow; petal apex rounded, tapering to base, margin slightly hairy; wing obovate; keel curved All of them have short claws. There are 10 stamens, united into a single body, and the anthers are heteromorphic; the style is long, the stigma is small, oblique, the pod is glabrous, cylindrical, extending out of the calyx; there are 6-12 seeds. The flowering and fruiting period is from May to November.

It grows on hillside wasteland. It is distributed in the south, Southeast and southwest provinces of China.

[collection] collect in summer and autumn, wash and dry.

[chemical constituents] it contains ringer alkaloid.

[nature and taste] 1. In the south of Yunnan materia medica: "cold in nature, bitter in taste. "

② Common folk herbs in Kunming: "cool, bitter and astringent. "

[Guijing] materia medica of Southern Yunnan: "entering lung meridian. "

Functions and indications: clearing away heat, detoxifying and diuretic. For chronic cough, asthma, urethritis, cystitis, carbuncle, gangrene and sores.

① "Diannan Materia Medica": "it can treat carbuncle, sore, swelling, phlegm, asthma and cough. "

② "Guangxi medicine plant directory": "leaf: treatment of jaundice, breast sores, malnutrition. "

③ "Dispelling sore poison" is a common folk herbal medicine in Kunming. "

[usage and dosage] oral: decoction, 3-5 yuan. External use: tamping.

[prescription selection] 1. It is used to treat cough, phlegm and asthma for a long time. If the breath is blocked in the throat, it is like the sound of pulling a saw, and you can't sleep well: two yuan for huanghuadiding (stir fried with honey) and two yuan for linglingcao (stir fried with honey). Fried soup. (materia medica of Southern Yunnan)

② Treatment of urethritis, cystitis: small ring one or two to twelve five money. Decoct in water and baijiu. (selected Chinese herbal medicines from Simao, Yunnan)