They are perennial plant that grows at such humid and partly shade places as in the forests along the mountain streams. (Perennial plant takes several years to grow). They prefer to bloom in the shades, they are named. They grow underground stems to expand and mostly grow in clusters. It is said that they are the original species of Viola yezoensis f. discolor, and that the appearance and the shape resemble well but the difference to distinguish is they bear green leaves. The leaves are heart-shaped with the sharp tip, about 3 to 6 cm long and soft feeling to touch, have minute trichome on both sides. The flowers are about 1.5 to 2 cm in diameter, good smell, tinged with white color, and have the bottom flower petal thin purple striped. Minute trichome grows thick at the root of the flower which blossom sideways. Some don’t. Tubular nectary or spur (Kyo: a portion of outpouchings behind the flower petal) is thick circular cylindrical shape about 7 to 8 mm long.

●Season Early April to about Mid May
●Height about 5 to 12 cm
●Place Ura-Takao,Oku-Takao