(Guizhou folk medicine Collection)
[synonym] Carya cathayensis, arrowhead grass, spoon head vegetable (Guizhou folk medicine Collection), yinditong, baimaoyedingcao (Quanzhou materia medica), Dingzi (Guizhou folk medicine).
[source] it is the whole plant of Violaceae.
[plant morphology] Viola villosa, also known as Viola cones.
Perennial herbs. The taproot is thick and long. Both leaves and pedicels root out. The leaves are heart-shaped or even slightly round in size, 2-5 cm in length and 2.5-6 cm in width. The apex is obtuse, the base is concave, the margin is shallowly serrate, and two faces are covered with setae. The petiole is 3-20 cm long, with inverted setae. The stipules are membranous, and the margin is covered with setae. Pedicel 4-9 cm long, with 2 linear bracteoles in the middle, with obfuscate hairs; flower lilac, calyx 5, elliptic, apex obtuse, base and margin slightly hairy; petal 5, obovate, flower spur short, about 3 mm long; stamen 5, 2 nectary appendages below, extending into flower spur; ovary superior, hairy, stigma curved, undivided. Capsule subglobose, ca. 8 mm, hairy. The flowering period is April. The fruit ripens in July.
It grows in shady wetland. It is distributed in the East and southwest of China.
[nature and taste] ① Guizhou folk medicine: "cool in nature, bitter and astringent in taste. "
② Quanzhou materia medica: "it tastes sweet and slightly bitter, has a cold nature and is non-toxic. "
Functions and indications: clearing away heat and toxin, detumescence and hemostasis. It is used to treat carbuncle, sore poison, lung carbuncle, traumatic injury, knife wound and bleeding.
① "Guizhou folk medicine collection" said: "treat unknown swelling. "
② "Quanzhou Materia Medica": "clearing away heat and toxin, relieving pain. It is used to treat carbuncle, abscess, sores and various suppurative sores. "
[usage and dosage] oral administration: decoction, 3-5 yuan (0.5-1 Liang fresh); or mashed juice. External use: mash and apply.
[selection] 1. Treatment of lung carbuncle: eight coins of Viola pilocarpa, five coins of Houttuynia cordata and two liang of jinjiancao. Water two Jin, fried into a Jin, divided into four times, adjust salt or sugar, take once every two hours, continued for five to seven days. (Quanzhou materia medica)
② Treatment of wound bleeding: Walnut mash, apply the wound. (Guizhou folk medicine)
③ Treatment of traumatic injuries: Walnut three to five money. Mash the juice, mix it with warm wine, and apply the residue to the affected area. (Guizhou folk medicine)
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