Alias lettuce protection, grass protection and so on.

Morphological characteristics of perennial herbaceous plants. Stems erect, less than 40 cm high. The basal leaves are rosette-shaped, stipitate and pinnately divided; Cauline leaves are sessile, ovate-lanceolate, bract stems at the base, toothed edges, and tender leaves are fragrant. The flower stems are pulled out in spring, and the white flowers are arranged in racemes; After flowering, it bears an inverted triangular flat fruit (Figure 2 1).

Fig. 2 1 rice dish

The growth and distribution are fond of being born in fields, roadsides and gardens. Plain lakes and townships can be mined everywhere.

Before and after processing and storage in Tomb-Sweeping Day, the whole flowering grass was harvested, washed and dried in the shade in a ventilated place for later use.

It can be used to treat the hemorrhagic disease of Monopterus albus, and it is used together with concha Fritillariae Thunbergii, Eclipta prostrata, Agrimonia pilosa, thatched rhizome, Cirsium japonicum and hibiscus flowers.

The content of this article comes from: Diagnosis and Control of Diseases and Pests by China Agricultural Publishing House.