Iridaceae
Rocky Mountain iris
Iris missouriensis
- Family
- Iridaceae
- Genus
- Iris
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Common names
By language (6)
- arz
- ايريس ميسوريينسيس
- Chinese
- 密苏里鸢尾
- English
- Rocky Mountain iris, Missouri flag, Western blue flag
- German
- Rocky-Mountain-Schwertlilie
- nv
- Nteelbitʼąąłánígíí
- Persian
- زنبق میزوری
Synonyms
- Dielsiris arizonica (Dykes) M.B.Crespo, Mart.-Azorín & Mavrodiev
- Dielsiris missouriensis (Nutt.) M.B.Crespo, Mart.-Azorín & Mavrodiev
- Dielsiris pariensis (S.L.Welsh) M.B.Crespo, Mart.-Azorín & Mavrodiev
- Dielsiris pelogonus (Goodd.) M.B.Crespo, Mart.-Azorín & Mavrodiev
- Iris arizonica Dykes
- Iris haematophylla var. valametica Herb. ex Hook.
- Iris longipetala var. montana Baker
- Iris missouriensis f. alba H.St.John
- Iris missouriensis f. angustispatha R.C.Foster
- Iris missouriensis var. albiflora Cockerell
- Iris missouriensis var. arizonica (Dykes) R.C.Foster
- Iris missouriensis var. pelogonus (Goodd.) R.C.Foster
- Iris missuriensis M.Martens
- Iris montana Nutt. ex Dykes
- Iris pariensis S.L.Welsh
- Iris pelogonus Goodd.
- Iris tolmieana Herb.
- Limniris missouriensis (Nutt.) Rodion.
Flowers
- Flower colour
- purple (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Adam J. Searcy, CC BY 4.0, from iNaturalist 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Cecelia Alexander, CC0, from iNaturalist 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Jared Shorma, CC BY 4.0, from iNaturalist 
Photo: Robbie Hannawacker, CC0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Walter Fertig, CC0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Dwight Kingsbury, CC0, from iNaturalist 
Photo: Dcrjsr, CC BY 3.0, from Wikimedia Commons
More in Iris
- Yellow irisIris pseudacorusIridaceae
- Siberian irisIris sibiricaIridaceae
- Leopard flowerIris domesticaIridaceae
- Sweet irisIris pallidaIridaceae
- Harlequin blueflagIris versicolorIridaceae
- Stinking irisIris foetidissimaIridaceae
- Dwarf irisIris pumilaIridaceae
- Iris gramineaIridaceae
- Iris japonicaIridaceae
- Iris reticulataIridaceae
- Spanish irisIris xiphiumIridaceae
- Japanese irisIris ensataIridaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.