Perennial evergreen herbs (grow for several years from their same root system) found at streamside, in forests and forest edges from the foot of mountains to a mountain peak. Grow by extending rhizomes because they are unable to produce seeds. Taking advantage of this characteristic, often planted as a retaining wall on riverbank. Flowers are 4 to 6 cm in diameter, bloom in the morning and wither in late afternoon. Are finely lobed on edges and light purple with purple and orange patterns on outer petals are beautiful. Blooming season is long and blooming in clumps is striking. Often find the clusters in many places in Mt. Takao. Leaves are sword-shaped, 30 to 60 cm long, shiny surface and bright green.

●Season Mid April to Late May
●Height about 50 to 60 cm
●Place Trail 1 to 6, Mt. Inari, Jyataki, Ura-Takao, Iroha ,Oku-Takao