crabgrass

crabgrass

(bielu)

[synonyms] Yangma, Yangsu (another record) and mafan (a collection of Materia Medica).

[source] it is the whole grass of Digitaria Sanguinalis.

[plant morphology] Digitaria tangutorum

Annual herb, 40-100 cm high. The culms are widely spread, branched and rooting on the lower nodes. Leaf blade linear lanceolate, 3-17 cm long, 3-10 mm wide, apex acuminate or short pointed; base nearly rounded, both sides sparsely hairy or bald; leaf sheath loose wrapped stem, sparsely hairy or glabrous wart base. Racemes 3-10, 5-18 cm long, alternate or finger like at the top of the stem at the upper part, nearly whorled at the base, rachis about 1 mm wide, middle rib white, accounting for about 1 / 3 of its width; spikelets lanceolate, 3-3.5 mm long, usually twin, with a long stalk and a very short stalk; the first glume is small, obtuse triangular, about 0.2 mm long; the second glume is 1 / 2 or 3 / 4 of the spikelet, with a long margin The first lemma is as long as the spikelet, with 5-7 veins and 3 veins in the middle. The flowering and fruiting period is from June to October.

It grows on grass and wild roadsides. It is widely distributed in the north and south of China.

[Xing Wei] bielu: "it tastes sweet and cold. "

[function indications] 1. Bielu: "in the main tune, the ears and eyes are clear. "

② In the collection of Materia Medica, it is said that "decocting the juice can improve the eyesight and moisten the lung. "