"Ezo-ichige" (Anemone yezoensis) belongs to Ranunculaceae (the Buttercup family). It is a perennial herb that is distributed to Hokkaido, Mount Gassan in Honshu, Japan and Sakhalin. It grows in forests and forest margins in montane to subalpine zones, and is 10 to 20 cm tall. The basal leaves are once trifoliate. The cauline leaves are 3-lobed and trifoliate. From May to July, a single white flower, 1.5 to 2.5 cm in diameter, blooms at the top of the stem. There are 5 to 7 petal-like sepals, but usually there are 6 sepals. At the center of the flower are numerous stamens and pistils. It is also known as "Hiroha-hime-ichige".