noun
threeleaf goldthread; savoyane
A small perennial herb of the buttercup family, native to northern regions. The Japanese name ミツバオウレン refers to Coptis trifolia (syn. Coptis groenlandica).
ミツバオウレンは北海道の湿地に自生する。
Threeleaf goldthread grows wild in the wetlands of Hokkaido.
ミツバオウレンの根茎は薬用に使われることがある。
The rhizome of threeleaf goldthread is sometimes used medicinally.
The name ミツバオウレン literally means 'three-leaf goldthread', from 三つ葉 (mitsuba, 'three leaves') and 黄蓮 (ōren, 'goldthread', referring to the Coptis genus). The derivation is straightforward from the plant's appearance.