noun
Eranthis pinnatifida
A species of winter aconite native to Japan, blooming around Setsubun (early February).
セツブンソウは早春に白い花を咲かせる。
Eranthis pinnatifida blooms with white flowers in early spring.
Kanji spelling is rare; the plant is normally written in kana.
Named after the Setsubun festival, as it blooms around that time. The exact derivation is uncertain.