Sure. Perennial herbs, short rhizomes, transverse. Culms clustered, 20-60 mm high, triangular. Trigonella, the name of Chinese medicine, is the whole grass with roots of Carex phacota spr. of Cyperaceae. Distributed in East China, South China and Southwest China, it can feed cattle. It has the effect of relieving exterior syndrome, penetrating rash and promoting birth. It is often used to treat children with rash and women with dystocia.