Rocky Mountain iris

Iris missouriensis · Accepted scientific name

Scientific literature: Very Sparse (30 studies) · ★☆☆☆☆

Rocky Mountain iris, scientifically known as Iris missouriensis, is a striking perennial native to western North America. Renowned for its vibrant blue to violet blooms, this plant thrives in moist meadows and montane habitats. Beyond its beauty, it holds historical significance in traditional ecological knowledge and regional biodiversity.

Family
Iridaceae
Native range
Northern America
Parts used
Root
Common names
Rocky Mountain Iris · Western Blue Flag · 3 more
Scientific synonyms
Iris Missouriensis Var. Arizonica · Iris Missouriensis Var. Pelogonus · 16 more

Names and Synonyms

Common Names

Scientific Names

Accepted name

Iris missouriensis

Synonyms

Regional and Traditional Names

German:

  • Rocky-Mountain-Schwertlilie
  • Missouri-Schwertlilie

French:

  • iris du Missouri

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta within the class Equisetopsida. Following its subclass Magnoliidae, it is classified under the order Asparagales and the family Iridaceae. Finally, its taxonomic identity is defined by the genus Iris.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Asparagales
Family Iridaceae
Genus Iris

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Iris missouriensis, exhibits a specific range across North America. In Western Canada, its presence is documented within the provinces of Alberta and British Columbia. Moving into the Northwestern United States, the species can be found growing in the state of Idaho. It also maintains a significant distribution throughout the mountainous regions of Montana. Furthermore, its geographical reach extends southward into the state of Colorado.

Region Area
Western Canada Alberta
Western Canada British Columbia
Northwestern U.S.A. Colorado
Northwestern U.S.A. Idaho
Northwestern U.S.A. Montana
Northwestern U.S.A. Oregon
Northwestern U.S.A. Washington
Northwestern U.S.A. Wyoming
North-Central U.S.A. Nebraska
North-Central U.S.A. South Dakota

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Iris missouriensis is characterized by its status as a perennial plant, allowing it to persist in its environment through multiple growing seasons. As a member of the cryptophyte group, it employs specialized survival strategies to protect its vital organs during unfavorable conditions. Specifically, the species functions as a geophyte, relying on underground storage organs to endure seasonal shifts and maintain its biological continuity.

Life form :
geophyte
Life form :
cryptophyte
Lifecycle :
perennial

Morphology

The morphology of Iris missouriensis is characterized by its growth form as a non-woody herb and forb, specifically presenting as a self-supporting plant that does not require climbing structures. It functions as an independent organism, lacking parasitic or epiphytic tendencies, and maintains a primarily terrestrial lifestyle. The plant typically reaches a mean height of approximately 0.3 m, growing in an upright, self-supporting manner.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
herb
Growth form :
forb
Parasite :
independent
Plant height mean:
0.3 m
Woodiness :
non-woody

Physiology

The physiology of Iris missouriensis is characterized by a metabolic framework utilizing the C3 photosynthetic pathway, a process where carbon dioxide is fixed directly into a three-carbon compound during the initial stage of the Calvin cycle. This pathway is typical of many temperate perennial geophytes, allowing the plant to optimize carbon assimilation under the moderate light and moisture conditions often found in its native habitats. To support its growth cycles, the plant employs specialized underground rhizomes that serve as critical physiological storage organs, sequestering carbohydrates and nutrients to facilitate rapid regrowth and energy mobilization during the spring growing season. Water regulation is managed through a coordinated system of root uptake and transpiration control, ensuring that the cellular turgor necessary for leaf expansion and floral development is maintained despite seasonal fluctuations in soil moisture availability.

Photosynthetic pathway :
C3

Reproduction

Reproduction in Iris missouriensis involves a complex combination of sexual and asexual processes, primarily driven by the production of seeds and the expansion of rhizomes. The sexual reproductive cycle is characterized by the development of seeds that exhibit specific physical properties essential for dispersal and germination. Based on quantitative data, the seed mass of this species shows measurable variation, with a recorded mean seed mass of 0.0192864285 g. Within a population, individual seed masses fluctuate, reaching a maximum value of 0.02 g and a minimum value of 0.01452 g. These seeds are typically released from dehiscent capsules following successful pollination, allowing the plant to colonize new areas. Complementing this sexual reproduction is the plant's ability to spread vegetatively through its creeping rhizomatous root system, which ensures survival and local dominance even when seed set is low.

Seed mass max:
0.02 g
Seed mass mean:
0.0192864285 g
Seed mass min:
0.01452 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Iris missouriensis has 1 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include root.

Plant parts reported in Iris missouriensis
Plant part Supporting sources Consensus
Root 2 supporting sources ★☆☆☆☆

Root

  1. Journal of pharmaceutical sciences
  2. Journal of natural products

Chemicals

Iris missouriensis has 9 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include 2-Hydroxy-3-octadecyl-5-methoxy-1,4-benzoquinone, 5-hydroxy-2'-methoxy-6,7-methylenedioxy-isoflavone, Deoxyirisoquin, Irisone A, Irisone B.

Chemicals reported in Iris missouriensis
Chemical Supporting sources Consensus
2-Hydroxy-3-octadecyl-5-methoxy-1,4-benzoquinone 1 supporting sources ★☆☆☆☆
5-hydroxy-2'-methoxy-6,7-methylenedioxy-isoflavone 1 supporting sources ★☆☆☆☆
Deoxyirisoquin 1 supporting sources ★☆☆☆☆
Irisone A 1 supporting sources ★☆☆☆☆
Irisone B 1 supporting sources ★☆☆☆☆
Irisoquin 1 supporting sources ★☆☆☆☆
Zeorin 1 supporting sources ★☆☆☆☆
betulinic acid 1 supporting sources ★☆☆☆☆
iso-Iridogermanal 1 supporting sources ★☆☆☆☆

2-Hydroxy-3-octadecyl-5-methoxy-1,4-benzoquinone

  1. Journal of pharmaceutical sciences

5-hydroxy-2'-methoxy-6,7-methylenedioxy-isoflavone

  1. Journal of natural products

Deoxyirisoquin

  1. Journal of pharmaceutical sciences

Irisone A

  1. Journal of natural products

Irisone B

  1. Journal of natural products

Irisoquin

  1. Journal of pharmaceutical sciences

Zeorin

  1. Journal of pharmaceutical sciences

betulinic acid

  1. Dr. Duke

iso-Iridogermanal

  1. Journal of pharmaceutical sciences

Activities

Iris missouriensis has 18 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Anthelmintic, AntiHIV, Antibacterial, Anticancer, Anticarcinomic.

Activities reported in Iris missouriensis
Activity Supporting sources Consensus
Anthelmintic 1 supporting sources ★☆☆☆☆
AntiHIV 1 supporting sources ★☆☆☆☆
Antibacterial 1 supporting sources ★☆☆☆☆
Anticancer 1 supporting sources ★☆☆☆☆
Anticarcinomic 1 supporting sources ★☆☆☆☆
Antiedemic 1 supporting sources ★☆☆☆☆
Antiinflammatory 1 supporting sources ★☆☆☆☆
Antileukemic 1 supporting sources ★☆☆☆☆
Antimalarial 1 supporting sources ★☆☆☆☆
Antimelanomic 1 supporting sources ★☆☆☆☆

Anthelmintic

  1. Dr. Duke

AntiHIV

  1. Dr. Duke

Antibacterial

  1. Dr. Duke

Anticancer

  1. Dr. Duke

Anticarcinomic

  1. Dr. Duke

Antiedemic

  1. Dr. Duke

Antiinflammatory

  1. Dr. Duke

Antileukemic

  1. Dr. Duke

Antimalarial

  1. Dr. Duke

Antimelanomic

  1. Dr. Duke

Medicinal Uses

Iris missouriensis has 1 reported medicinal uses identified across 2 scientific publications and several other databases. The most consistently reported uses include cancer.

Most Reported Uses

Use Sources Consensus
cancer Journal of pharmaceutical sciences (and other 1 sources) ★☆☆☆☆

Preparations

Preparations Sources Consensus
roots Journal of pharmaceutical sciences (and other 1 sources) ★☆☆☆☆
roots of Iris missouriensis Journal of natural products (and other 1 sources) ★☆☆☆☆