Iris missouriensis
(Rocky Mountain Iris)
Iris missouriensis, Mosquito Gulch, Park Co. 0908
Iris missouriensis, Lower Cataract Lake, Summit Co. 0953/0973
Iris missouriensis, Breakneck Pass, Park Co. 4735
Iris missouriensis, Breakneck Pass, Park Co. 9891
Iris missouriensis, North Swan Valley, Summit Co. 4767
Iris missouriensis, Breakneck Pass, Park Co. 9999
Iris missouriensis, North Swan Valley, Summit Co. 5073
| Scientific Name | Iris missouriensis | USDA PLANTS Symbol | IRMI |
| Common Name | Rocky Mountain Iris, Wild Iris | ITIS Taxonomic Serial No. | 43221 |
| Family | Iridaceae (Iris) | SEINet Reference |
Click Here |
| Description |
Life zones and habitat: Foothills to subalpine (5200 to 11000 ft.); moist areas in meadows, along ditches, stream banks, and aspen groves. Plant: Erect perennial growing in large patches, stout fleshy stem 8 to 24 inches tall. Leaves: Long, linear basal leaves, sword-like, flexible, 8 to 12 inches long. Inflorescence: Large flowers up to 4 inches across with 3 reflexed (bending downward) blue-purple sepals with white and yellow/orange streaks, 3 erect petals and 3 petal-like pistils. Bloom Period: May to July. References: "Flora of Colorado" by Jennifer Ackerfield and "Guide to Colorado Wildflowers" by G.K. Guennel. |
BONAP Distribution Map
Map Color Key | Colorado Status: Native |
© Tom Lebsack 2025
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains
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