"Mimina-gusa" (Cerastium holosteides var. hallaisanense) belongs to the Caryophyllaceae family (the Carnation family). It is a biennial herb that is distributed throughout Japan, as well as the Korean Peninsula, China, Taiwan and India. This herb grows in roadsides and field, and can reach 10-30 cm in height. The stems are dark purple, and the leaves are ovate to oblong and arranged in opposite. The plant is covered with soft hairs. The small white flowers bloom from April to June. It is defined by longer peduncles than calyxes differently from Mouse-eared chickweed (Cerastium glomeratum).