Sisyrinchium idahoense var. idahoense
Family:
Iridaceae
FNA
Resources
Anita F. Cholewa & Douglass M. Henderson+ in Flora of North America (vol. 26)
Stems 2-2.5 mm wide, margins denticulate. Spathes: keels denticulate; outer less than 2 times inner, basally connate 3.8-7 mm; inner 20-30 mm. Outer tepals 13-17(-20) mm; filaments bluish violet. 2n = 64, 96.
Flowering late spring--summer. Moist meadows, stream banks; 0--2200 m; B.C.; Calif., Idaho, Mont., Oreg., Wash., Wyo.
The few dodecaploid populations of var. idahoense in eastern Oregon are morphologically indistinguishable from the far more common octoploid plants.
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