Dwarf Woodland Irises - Iris tenuis

USDA Forest Service Celebrating Wildflowers

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	Beauty of It All Our Native Irises Dwarf Woodland Our Native Irises: Dwarf Woodland Irises Iris tenuis: Clackamas Iris The Clackamas iris occurs in the Clackamas valley in Oregon. In this beautiful image of the Clackamas iris, note the prominent yellow signal and the attendant the pale purple veins. Photo by William Plotner. The Clackamas iris has a very limited distribution. The only Forest Service land that it occurs on is the Mt. Hood National Forest. Photo by Carol Wilson, The Genus Iris. *Iris tenuis* is a very light pale blue spring wildflower occasionally white. The signal is composed of a series of pale yellow ridges on the spreading sepals. The petals are ascending. The inflorescence has two to three branches with each branch possessing a single flower. The 15 mm wide, stiff dark green leaves arise from shallowly rooted creeping rhizomes, 30cm between offshoots forming loose colonies. *Iris tenuis* is commonly found growing in leafy organic soils, in sunny openings in Douglas fir forest. For More Information *PLANTS Profile - Iris tenuis, Clackamas Iris*
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Last modified: Monday, 05-Mar-2012 13:02:32 EST