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Sisyrinchium demissum
Also called Dwarf Blue Eyed Grass, Dwarf Blueeyed Grass
Sisyrinchium demissum, commonly called stiff blue-eyed grass is small member of the iris family in genus Sisyrinchium. The plant's natural range is in the western United states and northern Mexico. It is sometimes grown in garden settings in its native range.
Stiff blue-eyed grass is grown in native plant gardens, particularly in places that are moist such as near downspouts. Gardeners will grow it from seed to divide the clumps to propagate plants. They are winter hardy in USDA zones 3–8. The seeds exhibit a large degree of germination inhibition. In a study only 15% of the seeds sprouted after four weeks at 21 °C (70 °F). In contrast, 57% sprouted in the second week when planted at the same temperature with light after first being held at 4.5 °C (40 °F) for three months before planting. No seeds sprouted when planted in dark conditions.
Sisyrinchium demissum is found in the desert southwest of the United states and in northern Mexico. In the United states it is most common in four states, Arizona, New Mexico, Nevada, and Utah. But it is also found in Colorado and a small area of the farthst west of Texas in the Trans-Pecos region. Most of the observations in Colorado are in the southern part of the state, but it has also been observed in Weld County in the Pawnee National Grassland. In Mexico it is reported from the states of Baja California Sur, Chihuahua, Coahuila, Nuevo León, and Sonora.
White blue-eyed grass · Sisyrinchium albilapidense · Narrowleaf blue-eyed grass · Eastern blue-eyed grass · Western blue-eyed grass · Blue Eyed Grass · Golden blue-eyed grass · Prairie blue-eyed grass · Wishbone blue-eyed grass · Elmer's blue-eyed grass · Funeral Mountain blue-eyed grass · Greenland blueeyed grass
Text excerpted from the Wikipedia article Sisyrinchium demissum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
