Yangjiaoao

Yangjiaoao

(Chinese medicine and plant records)

[synonym] yangjiaoniu (materia medica), yangjiaoteng, daodiaobi, yangjiaojie (Lingnan medicine collection record), yangjiaozhuo, yangjiaoou (Chinese medicine plant record), duanchangcao (Guangxi medicine plant list), yangjiaoliu (Guangdong traditional Chinese Medicine II), lekouhua (Southern main poisonous plant), baowanhua, wujiaoteng, liyuolive (Fujian traditional Chinese Medicine).

[source] it is the root or stem leaf of the oleanderaceae.

[plant morphology] yangjiaoao

Shrubs or vines, erect, up to 2 meters high, bald and clean, many creeping branches, folded with milk outflow. Branchlets usually brown. Leaves opposite, shortly stipitate, elliptic or rectangular, 4-10 cm long and 2-4 cm wide, apex short pointed, base cuneate, entire, thick papery, glabrous on both sides. Flowers large, yellow white, terminal or 3-flowered, cyme; pedicel slender, about 1 cm long; 1 pair of bracts under calyx, narrowly linear; calyx 5-lobed, lobes lanceolate, about 10 mm long, pale yellow; corolla yellow, funnel-shaped, corolla tube about 1.2 cm long. Upper part 5-lobed, lobes base ovate lanceolate, apex linear long tailed, about 5 cm long, base with scales on the inner surface; stamens 5-sagittate, anthers connected to stigma, filaments fusiform; ovary 2-locular, semiinferior, style laurate, stigma capitate or lobed. The follicles are woody, double spreading, long lanceolate, about 10-15 cm long, very thick, containing many seeds. Seeds linear and flat, one end with a long tail, dense white filiform long hair. The flowering period is from March to April. The fruit period is from August to September.

Born on hillsides or jungles. Distributed in Fujian, Guangdong, Guangxi, Guizhou and other places.

The seeds and filamentous villi of this plant are also used for medicinal purposes.

[collection] all year round.

[chemical constituents and pharmacological effects] the roots and stems contain cardiac glycosides. For details, please refer to "yangjiaoaozi".

Bitter, cold and poisonous.

① "Ben Cao Qiu yuan": "bitter, cold, poisonous. "

② Guangzhou Air Force's Handbook of commonly used Chinese herbal medicines: "bitter in taste, cold in nature, and highly toxic. "

Functions and indications: dispel wind and dampness, dredge meridians, detoxify sores and kill insects. Treatment of rheumatic swelling and pain, sequelae of poliomyelitis, traumatic injury, carbuncle, scabies.

① "Ben Cao Qiu yuan": "stop itching, cure scabies and heat poison. "

② "Lu Chuan's Materia Medica": "detoxify sore poison and remove blood stasis. It is used to treat carbuncle and injury. "

③ Lingnan herbal medicine annals: "external use to kill insects, remove swelling and toxin, relieve arthralgia, and renew bones. "

④ Guangzhou Air Force's Manual of commonly used Chinese herbal medicines: "strengthen the heart, reduce swelling, relieve itching and kill insects. "

⑤ Fujian Chinese herbal medicine: "dispel wind and dampness, dredge channels and activate collaterals. "

[usage and dosage] external use: tamping, boiling, washing or grinding.

[taboo] 1. In the book of materia medica: "it is poisonous and can kill people, but it can't be imported. "

② "It's highly toxic and can't be taken orally. "

[selected formula] ① for rheumatism, swelling and pain, sequelae of poliomyelitis, and scabies: appropriate amount of sheep horn twisted leaves, Decoction and warm washing. (Guangzhou Air Force Manual of common Chinese herbal medicine)

② Treatment of multiple abscesses, tenosynovitis, snakebite, fracture: sheep horn twisted leaf powder appropriate, mixed with wine, warm compress the affected area. (Guangzhou Air Force Manual of common Chinese herbal medicine)

③ Early treatment of mastitis: Yangjiao Ao fresh leaves, brown sugar with mash, baked hot external application. (Fujian Chinese herbal medicine)

Chinese PinYin : Yang Jiao Niu