(Guizhou herbal medicine)
[synonym] guapi grass (supplement of seed plant name), yatongcao, yatongzi (Guiyang folk herb), shuichong grass (Guizhou herbal medicine).
[source] it is the whole plant of Sagittaria humilis.
[plant morphology] Sagittaria humilis
Perennial herbs. The fibrous roots are white, silky, hollow, densely jointed, unbranched, and mixed with transverse rhizomes. They are the same in shape as the roots, but slightly larger, especially long, and germinate new plants at the other end. Leaf blade linear lanceolate, 4-18 cm long, 3-8 mm wide, entire, soft and thick, green above, white near root. The pedicel is drawn from the leaf cluster. The flowers are unisexual, monoecious; the female flowers are sessile, mostly gathered in the lower layer of inflorescence, forming whorls; the male flowers have long stalks, with oval bracts of 3-5, whorled on the stem, mostly in 2 whorls; the calyx is 3 pieces, green; the petals are 3 pieces, large, white; the stamens are 12 pieces, anthers are yellow, filaments are short and hypertrophy; the carpels are mostly flat. Fruit broadly obovate, flat, with scalelike wings, aggregated into a ball. It blooms in summer and autumn.
Wild in paddy field and swamp shallow water. Distribution of the Yangtze River Basin, South to Guangdong, southwest to Sichuan, Yunnan and other places.
[collection] collected in summer and autumn.
[nature and taste] 1. Guiyang folk herbs: "sweet and bitter, slightly cold. "
② Guizhou herbal medicine: "the nature is flat and the taste is light. "
[function indications] Guiyang folk herbs: "clearing heat and detoxifying. For sore throat, external application of carbuncle. "
[usage and dosage] oral administration: decoction, fresh 0.5-1 Liang. External use: tamping.
[formula selection] 1. Qinghouhuo: one or two fresh plants. At the same time, another part was taken and tamped under the jaw. (Guiyang folk herbs)
② Treatment of unknown swelling poison: fresh duck tongue grass mashed external application. (Guiyang folk herbs)
③ Treatment of dampness sores: duck tongue, Sagittaria Sagittaria, pig nostril leaves are equally divided. Rub it up, rub it on the affected area, and finally wash it with clean water. (Guizhou herbal medicine)
Chinese PinYin : Ya She Tou
Release Time:2022-01-27 03:51:00
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