| Narrow-leaf blue-eyed-grass |
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| Scientific classification |
| Kingdom: |
Plantae |
| Clade: |
Tracheophytes |
| Clade: |
Angiosperms |
| Clade: |
Monocots |
| Order: |
Asparagales |
| Family: |
Iridaceae |
| Genus: |
Sisyrinchium |
| Species: |
S. angustifolium |
| Binomial name |
Sisyrinchium angustifolium
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| Synonyms |
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- Bermudiana angustifolia (Mill.) Kuntze (1891)
- Bermudiana bermudiana var. albida Kuntze (1898)
- Bermudiana bermudiana var. angustifolia (Mill.) Kuntze (1898)
- Sisyrinchium bermudiana subsp. angustifolium (Mill.) P.Fourn. (1935)
- Bermudiana graminea Gaertn. (1788)
- Bermudiana graminea (Lam.) Nieuwl. (1913)
- Bermudiana graminifolia Medik. (1787)
- Bermudiana homomalla (Klatt) Kuntze (1891)
- Bermudiana iridifolia Medik. (1787)
- Ferraria pulchella Salisb. (1796)
- Ferraria violacea Salisb. (1796)
- Marica mucronata Ker Gawl. (1827)
- Sisyrinchium acuminatum Herb. (1843)
- Sisyrinchium anceps Cav. (1788)
- Sisyrinchium bermudiana var. anceps (Cav.) A.Gray (1867)
- Sisyrinchium carolinianum E.P.Bicknell (1899)
- Sisyrinchium cultrifolium Noronha (1790)
- Sisyrinchium excisum Godr. (1853)
- Sisyrinchium gramineum Lam. (1785)
- Sisyrinchium graminoides E.P.Bicknell (1896)
- Sisyrinchium hibernicum Á.Löve & D.Löve (1961)
- Sisyrinchium homomallum Klatt (1882)
- Sisyrinchium iridioides Curtis (1789)
- Sisyrinchium membranaceum E.P.Bicknell (1899)
- Sisyrinchium nuttallii Sweet (1826)
- Sisyrinchium ramosum Herb. (1843)
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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 (6–20 in). Stem: broadly winged, 2–4 mm (1⁄16–3⁄16 in) wide, usually branched. Leaves: 2–6 mm (1⁄16–1⁄4 in) wide. Tepals: 6, blue, 7–10 mm (1⁄4–3⁄8 in), each tipped with a sharp point, veined, and darkening toward central yellow patch.