Olsynium douglasii (A. Dietr.) E.P. Bicknell
Douglas' Grasswidow, Grass Widow, Satin Flower
Iridaceae (Iris Family)
USDA Symbol: OLDO
Few reddish-lavender or purple, bowl-shaped flowers atop stems rising from clumps of narrow, sword-like leaves.
Once considered a member of the genus Sisyrinchium, Grass Widow, with its inflated stamen base, is now placed in the closely related genus Olsynium. There is only one species in the West, with two varieties. The variety inflatum, from mostly east of the Cascade Range, has a distinctly flared stamen base. The variety douglasii has an indistinctly flared stamen base; it occurs mostly west of the Cascade Range, from British Columbia south to northern California.
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Bloom InformationBloom Color: White , Pink , Purple
Bloom Time: Mar , Apr , May , Jun
Bloom Notes: Reddish-lavender to purple, occasionally pink or white.
DistributionUSA: CA , ID , NV , OR , UT , WA
Native Distribution: Southern British Columbia south to northern Oregon and east to central Idaho, northern Nevada, and northern Utah.
Native Habitat: Grassy areas in sagebrush and open woods.
National Wetland Indicator Status
BibliographyBibref 928 - 100 easy-to-grow native plants for Canadian gardens (2005) Johnson, L.; A. Leyerle
Search More Titles in Bibliography
Web ReferenceWebref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Olsynium douglasii in USDA Plants
FNA: Find Olsynium douglasii in the Flora of North America (if available)
Google: Search Google for Olsynium douglasii
MetadataRecord Modified: 2022-09-22
Research By: TWC Staff