It is found only on Ulleung Island in North Gyeongsang Province, South Korea.

The flowers are 11 mm (0.43 in) long and light purple, in an inflorescence that reaches 7–15 cm (2.8–5.9 in) in length.

[2] The fruit is flat, lanceolate, narrow-ended, and 1.8–2 cm long with a stigma on the end.

The seed is 3 mm long and has no hairs, a black streak, and a white-spotted head.

[clarification needed] corydaline, tetrahydropalmatine, conadine, protopine, tetrahydrocoptisine, isocorypalmine, corybulbine, β-homochelidonene, coptisine, dehydrocorydaline, l-coryclamine, dehydrocorydalmine[3] Its effects include analgesia, soothing, calming, contraction of the uterus, and increased blood circulation.