Sisyrinchium angustifolium

Sisyrinchium angustifolium, commonly known as narrow-leaf blue-eyed-grass, is a herbaceous perennial growing from rhizomes, native to moist meadow and open woodland. It is the most common blue-eyed grass of the eastern United States, and is also cultivated as an ornamental.

Range: Eastern Canada and US, west to Texas and Minnesota, in meadows, low woods, and shorelines.

Height: 15 - 50 cm. Stem: broadly winged, 2 - 4 mm wide, usually branched. Leaves: 2 - 6 mm wide. Tepals: 6, blue, 7 - 10 mm, each tipped with a sharp point, veined, and darkening toward central yellow patch.