Species in the genus Corydalis:

Corydalis heterocarpa / Tsukushikikeman
Corydalis heterocarpa var. japonica / Kikeman
Corydalis incica / Murasakikeman
Corydalis indica f. candida / Yukiyabukeman
Corydalis indica f. pallesems / Shiroyabukeman
Corydalis lineariloba / Yamaengosaku
Corydalis ochotensis var. raddeana / Nagaminotsurukikeman
Corydalis pallida var. pallida / Fuurokeman
Corydalis pallida var. tenuis / Miyamakikeman
Corydalis speciosa / Ezokikeman

Corydalis lineariloba / Yamaengosaku ヤマエンゴサク

Corydalis lineariloba is a perennial herb, 10-20cm in height, inhabiting forests and forming populations in mountainous regions with tuberous roots. Leaves with petioles are of a bi- or tri-ternate compound leaf; leaflets are oval to lanceolate and have an aperture of three to four. Bracts are generally with dentations or incisions on the margins. Stem tops set light red-purple to blue-purple, tubular flowers, 1.5-2.5cm long, in a racemose way. Bloom time: April-May.