Dutchman's breeches
noun
1- chiefly N. Amer. a plant related to bleeding heart, but typically having pale yellow flowers〈主北美〉荷包牡丹。
1.1
- Genus Dicentra, family Fumariaceae: several species, in particular D. spectabilis.荷包牡丹属, 荷花牡丹科：数种, 尤指荷包牡丹。
词源
mid 19th cent.: so named because of the shape of the spurred flower.