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Iris missouriensis (Missouri flag)
Other names: Iris montana, Iris tolmeiana, Western blue flag, Rocky Mountain iris, Wild iris, Wild blue iris
I. missouriensis is a variable, spreading, rhizomatous, deciduous perennial with strap-shaped, erect to arching, dark blue-green leaves and, in summer, slender, branched stems bearing flowers with short, blue to lavender standards and paler falls with dark purple veins.
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0.3m max. spread |
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0.5m max. height |
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2-5 years to maturity |
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