Canna root

Canna root

(drug records of Nanning City)

[synonym] guanyinjiang (medical records of Nanning City) and xiaobajiaotou (medical records of Sichuan Province).

[source] it is the rhizome of Canna.

[plant morphology] Canna (fengchuangdu), also known as Lanjiao (nongpu Liushu), Shuijiao (preparation of raw herbs), Lianjiao (Taiwan Chronicles), Tanhua (Yaopu Huichun), Hongjiao, Hutou, fengweihua and baibajiao.

Perennial herb, up to 1 meter high, green glabrous, covered with waxy white powder. With massive rhizome. There are many branches on the ground. The lower leaves are relatively long, ovate oblong, 10-30 cm long, apex pointed, base broadly cuneate to rounded, entire or microwavy. Inflorescence racemose, flowers solitary or in pairs, each flower with 1 bract, ca. 1; 2 cm long; sepals 3, ca. 1 cm long, greenish white or apex reddish; corolla usually red, tube ca. 1 cm long, lobes 3, lanceolate, ca. 3 cm long; staminodes 3, bright red, ca. 4 cm long, lip entire, developed; stamen anthers curved at the junction with filaments; ovary inferior, 3-locular, style 1, long It's flat. Capsule ovoid oblong, green, with soft spines, ca. 2. 5 cm long. The flowering period is June (Jiangsu) or the whole year (Guangzhou).

It is cultivated in most parts of the country.

The flower of this plant (canna flower) is also used for medicine. Please refer to the special section for details.

[collection] it can be harvested all year round. After digging, remove the stems and leaves, dry them or use them fresh.

Bitter, cold.

① "Raw herbal medicine nature preparation": astringent taste, cold nature. "

② "Nanning medicine annals": "Ganxin, slightly astringent, has small poison. "

③ Sichuan Traditional Chinese medicine annals: "cold in nature, bitter and astringent in taste, non-toxic. "

[function and indications] it is used to treat acute icteric infectious hepatitis, chronic dysentery, hemoptysis, HAEMORRHEA, leucorrhea, irregular menstruation, sore poison and carbuncle.

① "Preparation for the nature of raw herbal medicine": "it can reduce fever and poison, apply large sores, and benefit small water. "

② "Convergence, expectorant. For dysentery, hemoptysis and neuropathy. "

③ Sichuan Traditional Chinese medicine annals: "tonifying kidney deficiency. Treatment of blood collapse, leucorrhea, irregular menstruation, carbuncle poison at the beginning of swelling pain. "

[usage and dosage] oral administration: decoction, 1-3 yuan. External use: tamping.

[selection] 1. To treat red avalanche: xiaobajiaotou and YINGSHANHONG. Stewed chicken suit.

② Treatment of red collapse, leucorrhea, toothache: small banana head, glutinous rice. Stewed chicken suit.

③ Treatment of leucorrhea: small banana head, small road yellow. Stewed chicken suit. (1) Sichuan Traditional Chinese medicine annals

④ Treatment of children with abdominal distension and fever: small banana head flower leaf, cross road yellow each equal. Mash raw velvet, stir fry hot, cover the stomach. (Chongqing herbal medicine)

[clinical application] treatment of acute icteric infectious hepatitis

Take 2-4 liang of fresh Canna root (the maximum amount is not more than half a Jin), decoct once in water, take it separately in the morning and evening, 20 days as a course of treatment. When taking medicine, avoid eating fish and shrimp, spicy and meat dishes, meat oil. Preliminary observation of 63 cases showed that 58 cases were cured, 3 cases were improved and 2 cases were not cured. The cure time was about 20 days in 34 cases, 30 days in 18 cases, the longest 45-47 days in 6 cases. In addition, the mixture of Canna, causticus root and iron Verbena was also used to treat 100 cases. 92 cases were cured and 8 cases were basically cured.

Chinese PinYin : Mei Ren Jiao Gen