White fish tail

White fish tail

(Mindong materia medica)

[synonyms] Xitao and Yetao (Mindong materia medica), yangboye, puqianghuang and baiboyuezi (Fujian herbal medicine).

[source] it is the root, stem and leaf of Polygonum cuspidatum.

[plant morphology] bugudan

Deciduous shrub, 2-3m high. The young branches are slightly tetragonal, and the stems are covered with gray white hairs. Leaves opposite; ovate lanceolate to lanceolate, 5-12 cm long, 1.2-4 cm wide, apex acuminate, base cuneate, entire or spotted serrate, green above, gray white pubescent below, densely pilose; petiole 3-10 mm long, pilose. Panicle terminal; flowers small, purplish blue or white; calyx campanulate, 4-lobed; corolla tubular, apex 4-lobed; stamens 4; stigma 2-lobed. Capsule, calyx persistent. It blooms in spring.

Born in mountain or garden. It is distributed in Guangdong, Guangxi, Yunnan, Sichuan, Fujian and Taiwan.

The fruit of this plant (white fish tail fruit) is also used for medicine. See special section for details.

[collection] the roots and stems can be picked at any time. The best harvest time is from August to September.

[nature and taste] Fujian Chinese herbal medicine: "bitter, slightly pungent, warm, with little poison. "

[Guijing] Mindong materia medica: "entering the heart, kidney and large intestine. "

Functions and indications: dispelling wind, removing dampness, dredging collaterals and killing insects. It is used to treat wind cold, fever, head and body pain, rheumatism pain, spleen dampness, abdominal distension, dysentery, erysipelas, traumatic injury, abdominal pain due to insect accumulation.

① "Mindong Materia Medica": "expel wind and cold, remove dampness and heat, stop pain, strengthen spleen and stomach, kill insects and detoxify. It can cure wind cold, fever, head and body pain, stomach and abdomen pain, dizziness and nausea. "

② Fujian Chinese herbal medicine: "expelling wind and dampness, promoting qi and activating collaterals. It can cure dysentery, spleen dampness, abdominal distension, rheumatism pain, nameless swelling and poison, and traumatic injury. "

[usage and dosage] oral: decoction, 3-5 yuan. External use: fried, washed or tamped.

[taboo] "Mindong Materia Medica" says: "people with weak constitution should not take more. "

[selection] 1. To treat dysentery: one to two pairs of fresh leaves or tender leaves of white fish tail, mashed and fried in water. (Fujian Chinese herbal medicine)

② Treatment of erysipelas: three to five coins of whole grass of white fish tail, fried in soup. (Mindong materia medica)

③ Treatment of traumatic injury: two liang fresh roots of white fish tail, fried in wine. (Fujian Chinese herbal medicine)

④ Treatment of spleen dampness and abdominal distension: two to three liang of fresh radix polygoni Multiflori, decocted in water, taken separately in the morning and evening. (Fujian Chinese herbal medicine)