Eriocaulon is a millet belonging to the family Eriocaulonaceae. Used as medicine in flower heads with flower stems. Contains loquat essence and flavonoids: quercitrin, calendula, quercetin, etc. Spicy, sweet and flat. Has the effects of expelling pathogenic wind, dissipating heat, improving eyesight and removing nebula. Treatment of conjunctivitis, corneal cloud, night blindness, choroiditis, malnutrition and other diseases, distributed in Fujian, Hunan, Guangdong, Guangxi, Hainan and other provinces, mostly wild. A year's harvest.

Like warm and humid environment, it is mostly distributed in wet places near paddy fields or shallow pools to reproduce with seeds.