blue-eyed grass
noun
1- a North American plant of the iris family, cultivated for its blue flowers庭菖蒲属植物。
1.1
- Genus Sisyrinchium, family Iridaceae: several species, including S. bermudiana, which also occurs in Ireland.庭菖蒲属, 鸢尾科：数种, 包括庭菖蒲（亦见于爱尔兰）。