Chinese pennisetum

Chinese pennisetum

(notes on materia medica)

[synonyms] Lang (the book of songs), Tong Liang (the biography of Mao poetry), Meng and Lang Wei (Er Ya), Dong Shen (Shuowen), Su Tian Weng and Shou Tian (the book of songs by Lu Ji), Lang Mao (the collection of Materia Medica), Xiao mangcao (a textual research on the name and reality of plants), Setaria (classified herbal medicine), zhe rat root and paparazzi Wei (flora of Guangzhou), Da Setaria and Hei Setaria (flora of Sichuan Traditional Chinese Medicine) )。

[source] it is the whole grass of Pennisetum.

[plant morphology] Pennisetum

Perennial herbs. The fibrous roots are thick and hard. Culms tufted, erect, 30-100 cm high, often densely pilose below inflorescence. The leaf blade is linear, 15-50 cm long, 2-6 mm wide, apex long acuminate, usually involute. Spike panicle, 5-20 cm long, spindle hard, densely pilose; peduncle 2-3 mm long, densely pilose; setae 1-2.5 cm long, with upward tiny scabrous spines, usually black purple after maturity, spikelets usually solitary, 6-8 mm long; the first glume minute, ovate, veins unclear; the second glume with 3-5 veins, 1 / 2-2 / 3 of the spikelet; the first lemma herbaceous, with 7-11 veins, similar to the spikelet The spikes are as long as spikelets, and the margins often contain grains; the grains are cartilaginous, lanceolate, and as long as spikelets; the anther tips are glabrous. Fruit flat oblong, ca. 3. 5 mm long. The flowering and fruiting stages are autumn and winter.

Most of them grow on farmland, roadside or hillside. It is widely distributed in the north and south of China.

The roots and rhizomes of this plant (wolftail root) are also used for medicine. Please refer to the special section for details.

[collection] harvest in summer and autumn.

[function indications] Hunan medicine records: "clear eyes, disperse blood. It is used to treat red eye pain. "

[usage and dosage] oral: decoction, 3-5 yuan.