Rain leek

Rain leek

(collection of compendium)

[synonyms] Fuqiang (save the wilderness spectrum), qingcigu flower (Wang Lianshi's book of collecting herbs), Bluebird flower (plant name Collection).

[source] it is the whole plant of yujiuhua.

[plant morphology] yujiuhua (Huajing)

Annual herbs, up to 40 cm, soft and smooth. The primary leaves are lanceolate linear, the secondary leaves gradually widen, and finally become heart-shaped ovate, 6-10 cm long and 3.5-8 cm wide, with sharp apex, entire margin, smooth and glabrous on both sides; the root petiole is about 30 cm long, the stem petiole is about 6 mm long, and the lower part is wide and embracing. Inflorescence racemose, terminal, pedicel longer than leaf; flower blue, perianth piece 6, elliptic, apex blunt; stamen 6, 5 small, anther yellow, 1 large, anther purple, the central part of the filament has hook piece; pistil 1, longer than stamen; after flowering, pedicel gradually downward curved. Capsule ovate, 8-10 mm long, enclosed in persistent perianth piece. The flowering period is from July to September. The fruit period is from August to October.

It grows in paddy field, pond and ditch. It is distributed in Northeast and East China.

It has the functions of removing dampness, clearing away asthma and detoxification.

① According to Wang Lianshi's book of collecting herbs, "the function of removing dampness is the same as that of Herba Artemisiae. Disperse all kinds of poison, eliminate hemorrhoids and leakage, and improve eyesight. "

② Jilin Chinese herbal medicine: "clearing heat, relieving asthma, detoxifying and detumescence. Treatment of high fever, wheezing, erysipelas in children. "

[usage and dosage] oral: decoction, 2-3 yuan. External use: tamping or grinding.

[selected prescription] treating children with high fever, cough and asthma: long rain costs two yuan. Fried in water, twice a day. (Jilin Chinese herbal medicine)