Iris missouriensis

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Iris missouriensis
Iris missouriensis (Wenas Wildlife Area, Washington)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Iridaceae
Subfamily: Iridoideae
Tribe: Irideae
Genus: Iris
Subgenus: Limniris
Series: Longipetalae
Species: I. missouriensis
Binomial name
Iris missouriensis
Nutt.

Iris missouriensis (syn. I. montana) is a hardy flowering bulbous species of the genus iris, in the family Iridaceae. It is native to western North America. Its distribution is varied; it grows at high elevations in mountains and alpine meadows and all the way down to sea level in coastal hills. Its common names include "western blue flag", "Rocky Mountain iris" and "Missouri flag".

Description

The three, usually light blue, sepals have purple lines and surround the three smaller darker-blue petals.

Iris missouriensis is an erect herbaceous rhizomatous perennial, 20 to 40 cm high, with leafless unbranched scapes (flowering stems) and linear basal leaves, 5 to 10 mm wide, similar in height to the scapes. The inflorescence usually consists of one or two flowers, exceptionally three or four. Each flower has three light to dark blue, spreading or reflexed sepals lined with purple and three smaller upright blue petals.[1][2]

Uses

Some Plateau Indian tribes used the roots to treat toothache.[3]

The Navajo used a decoction of this plant as an emetic.[4] The Zuni apply a poultice of chewed root to increase strength of newborns and infants.[5]

This iris is considered a weed in some areas, particularly in agricultural California. It is bitter and distasteful to livestock and heavy growths of the plant are a nuisance in pasture land. Heavy grazing in an area promotes the growth of this hardy iris.

The plant is widely cultivated in temperate regions[6]

References

  1. http://www.fs.fed.us/wildflowers/beauty/iris/blueflag/iris_missouriensis.shtml
  2. "Iris missouriensis". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2013-01-12. 
  3. Hunn, Eugene S. (1990). Nch'i-Wana, "The Big River": Mid-Columbia Indians and Their Land. University of Washington Press. p. 354. ISBN 0-295-97119-3. 
  4. Peter Goldblatt. 1980. Uneven Diploid Chromosome Numbers and Complex Heterozygosity in Homeria (Iridaceae). Systematic Botany, Vol. 5, No. 4, pp. 337-340
  5. Camazine, Scott and Robert A. Bye 1980 A Study Of The Medical Ethnobotany Of The Zuni Indians of New Mexico. Journal of Ethnopharmacology 2:365-388 (p. 373)
  6. "RHS Plant Selector - Iris missouriensis". Retrieved 24 June 2013. 

External links

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