Subfamily Iridoideae Higher classification Olsynium | Tribe Sisyrinchieae Scientific name Olsynium douglasii Rank Species | |
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Similar Olsynium, Iridaceae, Lomatium columbianum, Fritillaria pudica, Olsynium junceum | ||
Olsynium douglasii (syn. Sisyrinchium douglasii, Sisyrinchium grandiflorum) is a flowering plant, commonly known as Douglas' olsynium, Douglas' grasswidow, grasswidow, blue-eyed grass, purple-eyed-grass, or satin flower, in the genus Olsynium, native to western North America from southern British Columbia south to northern California, and east to northwest Utah. It is the only species in the genus Olsynium in North America, the remaining 11 species being from South America. It was formerly treated in the related genus Sisyrinchium.
It is a perennial herbaceous bulbiferous plant growing to 10-40 cm tall. The leaves are slender linear, 10-30 cm long and 1.5-3 mm broad. The flowers are bell-shaped, 15-25 mm long, with six purple tepals.
There are two varieties:
