Koseriba-auren

Koseriba-auren (Scientific name: Coptis japonica var. japonica) is a cold-tolerant, evergreen perennial in the family Ranunculaceae, endemic to Japan. It grows wild in semi-shady areas in the mountains along the Pacific coast of Honshu. What looks like a white flower is a plaque and the real flower has eight to ten flowers inside. It is characterized by its large leaves that are triply-leaved and its rhizomes are narrower than those of Kikuba auren( Coptis japonica var. anemonifolia).

Common name: Koseriba-auren , Scientific name: Coptis japonica var. japonica, Place of origin: Japan, Distribution: the Pacific coast of Honshu, Living environment: semi-shaded in mountainous areas, Grass height: 15-40 cm, Rhizomatous leaves, Leaf shape: 3 times 3-departed compound leaves, Lobes: ovate, Leaf margin: roughly serrated or lobed, Dioecious, Bisexual flowers: stamens and a few pistils, Male flowers: many stamens, Stem height: 20-50 cm, Inflorescence: globular inflorescence, Flower diameter: 1 cm, Petal shape: small spoon shape, Flower color (actually calyx color): white, Number of sepals: 5-6, Sepals: petal shape: petal shape, Flowering season: February-March, Fruit type: culls.