| blue flag | (n) a common iris of the eastern United States having blue or blue-violet flowers; root formerly used medicinally, Syn. Iris versicolor |
| southern blue flag | (n) similar to blue flag; the eastern United States, Syn. Iris virginica |
| 花菖蒲;花しょうぶ | [はなしょうぶ;はなあやめ(花菖蒲), hanashoubu ; hanaayame ( hanashoubu )] (n) Japanese iris; blue flag; Iris ensata [Add to Longdo] |