Biennial herbs found on sunny roadside, at forest edge and in deforested areas. The Japanese name is Miyama-ki-keman literally meaning deep in the mountain yellow flower wreath but this plant is also found in low elevations. Have many flowers on the tip of single stem that is appealing. This is the yellow version of corydalis incisa and also poisonous. In April, grow upright stem from the center of the plant and bloom many tubular flowers with two lips and about 2 cm long. Leaves vary from white powdered-like green to reddish green ones. Is soft texture with toothed margins and have unique rubber-like smell when it is rubbed. After flowering, bear 3 cm long beads-like fruits.

●Season　　Early April to about Mid May
●Height　　about 20 to 40 cm
●Place　　Trail 1 to 3, Trail 5, Jyataki, Ura-Takao, Oku-Takao