Scirpus Tabernaemontani

Scirpus Tabernaemontani

(Nanjing folk herbs)

[synonym] shuizhangcong.

[source] it is the stem of Allium fistulosum.

[plant morphology] Welsh Onion

Perennial herbs. Rhizome prostrate, with many fibrous roots. Culm cylindric, 1-2 m high, with membranous sheath at the base, up to 38 cm long, and the uppermost sheath with leaves. Leaf blade linear, 1.5-11 cm long. Bract 1, elongated for Culm, erect, subulate, often shorter than inflorescence; long lateral cymes simple or recurrent; axial shoots up to 5 cm long, convex on one side, concave on one side, margin serrate; spikelets solitary or 2-3 clustered, ovate oblong, 5-10 mm long; scales elliptic or broadly ovate, about 3 mm long, apex slightly concave, mucronate, membranous, brown or purplish brown , with rust colored dots on the back, margin ciliate; lower setae 6, reddish brown, barbed; stamens 3; stigmas 2, rare 3, longer than style, nutlets obovate or elliptic, biconvex, ca. 2 mm long. The flowering and fruiting period is from June to September.

Born in lake or shallow pond. Distributed in Northeast, Inner Mongolia, Shaanxi, Shanxi, Gansu, Xinjiang, Hebei, Jiangsu, Guizhou, Sichuan, Yunnan and other places.

[collection] harvest in summer and autumn, dry or fresh.

[medicinal material] dry stem, flat cylindrical or flat strip, 60-100 cm in length, 4-9 mm in diameter, also thicker. The appearance is light yellowish brown, glossy, with vertical straight texture and horizontal ring pattern; few nodes, slightly raised. Inflorescence light yellow. It is light and tough, not easy to break, with white section and spongy pores. The smell is weak. It is better to be dry, green, rootless and mud free.

[processing] wash with water, cut into sections and dry in the sun.

[function indications] Nanjing folk herbs: "Tongli urinates. "

[usage and dosage] oral administration: decoction.

[prescription selection] treatment of dysuria: scallion and cricket. Take it in boiling water. (Pharmacology)