Wren tongue

Wren tongue

(Lu Chuan Ben Cao)

[synonym] wengeli (Luchuan materia medica) and niaoguecao (Guangxi Traditional Chinese medicine annals).

[source] it is the whole plant of Rubiaceae.

[plant morphology] Auricularia pinifolia

Annual delicate herbs, 15-30 cm long. Stem tetragonal, branched, lower part pubescent. Leaves opposite, sessile; leaves narrowly linear, 1-4 cm long, 1-2 mm wide, dark green or purplish above, hairy below, green below; stipules 2, about 4 mm long, apically bristly. Flowers 3-10, clustered in leaf axils and branch tips, occasionally solitary, sessile; calyx teeth 4, elliptic triangular, margin with eyelashes; corolla white or slightly purplish red, about 4 mm long, lobes 4, rectangular; stamens 4; pistil stigma 2-lobed, upper part covered with pink massive hairs. Capsule ovate, ca. 3 mm, hirsute. It blooms in autumn and winter. From autumn and winter to the next spring,

Born on the roadside, grass. It is distributed in the south of China.

This product is used as Hedyotis diffusa in Fujian Province. See "Hedyotis diffusa" for details.

[collection] harvested in summer and autumn, fresh or dried.

[chemical constituents] the whole plant contains triterpenoids such as β - sitosterol and ursolic acid.

[nature and taste] 1. Lu Chuan Ben Cao: "pungent, warm. "

② "Guangxi Traditional Chinese medicine annals": "it is light and sweet in taste, flat in nature and non-toxic. "

[functions and indications] 1. Lu Chuan Ben Cao: "detumescence and pain relief, treatment of traumatic injury, sore and carbuncle, snake injury. "

② "Records of Guangxi Traditional Chinese medicine": "clearing away heat, eliminating accumulation, hemostasis, detumescence. Treatment of infantile malnutrition, hot flashes. "

[usage and dosage] oral administration: decoction, 1-2 yuan (fresh 1-1.5 Liang). External use: tamping.