Iridaceae
Iris missouriensis
Rocky Mountain Iris
Stem erect, with few, short, grass-like leaves. Rhizomes stout, covered with old leaf bases. Leaves narrow, sometimes stained purple, shorter than flower stem. Flower light to dark lavender-blue; yellow-orange patch on the 3 lower petals, surrounded by white; dark blue pencil lines over all. Flower sits on top of widened ovary without a perianth tube. Grows in moist areas along rivers, meadows, at mid elevations.
- Rarity: Common
- Flowering Time: Early Summer
- Life Cycle: Perennial
- Height: 8--24 inches
- Habitat: Meadow, Shrub-Steppe, Bog/Fen/Wetland, Moist Riverbanks
- Found In: East Gorge, Great Basin, Steens, Olympic Np
- Native: Yes
More Information:
- Common synonyms: western blue iris
- More Photos
- USDA Plants Database
- CalPhotos
- OregonFlora
- E-Flora BC