"Koshino-kobaimo" (Fritillaria japonica var. koidzumiana) belongs to Lilaceae (the Lily family). It is a perennial herb that is distributed to Hokuriku regions, as well ss Fukushima, Shizuoka, and Gifu prefectures of Honshu, Japan. It grows in mountainous areas and is 5 to 20 cm tall. It produces bell-shaped, pale greenish-white, downward-facing flowers at the top of the stem from March to April. The flowers have six tepals, and the inner tepals are characterized by the presence of a small projection on the edge. It takes 6 to 7 years for the flowers to bloom. In early summer, the above-ground parts die back and go dormant.