Viola praemorsa

Viola praemorsa is a species of violet known by the common names canary violet,[3] Astoria violet,[4] and yellow montane violet.

Viola praemorsa
Viola praemorsa in Yellowstone National Park
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Violaceae
Genus: Viola
Species:
V. praemorsa
Binomial name
Viola praemorsa
Synonyms[2]

Description

This rhizomatous perennial herb grows up to 30 centimeters in maximum height. The thick, fleshy leaf blades are lance-shaped to oval with pointed or rounded tips, the basal ones up to 8.5 centimeters long and those higher on the stem the same or slightly longer. The leaf blades are often coated densely in hairs and are borne on long petioles. A solitary flower is borne on a long, upright stem. It has five yellow petals, the lowest three veined with brownish purple, and the upper two often with brownish purple coloring on the outer surfaces.[4]

Distribution and habitat

Viola praemorsa is native to western North America from British Columbia and Alberta in Canada; to Washington, Oregon, Idaho, Montana, Wyoming, Utah, California, Nevada, and Colorado in the U.S.[3] It occurs on mountain slopes, usually where forests or grassy meadows are present, in moist or dry soil.[4] In California, it often occurs in yellow-pine forests.[4]

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References
  1. Viola praemorsa was first described and published in Edwards's Botanical Register 15: pl. 1254. 1829. "Name - Viola praemorsa Douglas ex Lindl". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved August 21, 2011.
  2. "Name - Viola praemorsa Douglas ex Lindl. synonyms". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved August 21, 2011.
  3. "Profile for Viola praemorsa (canary violet)". PLANTS Database. USDA, NRCS. Retrieved August 21, 2011.
  4. R. John Little (1993). "Jepson Manual treatment for Viola praemorsa". Jepson Manual Online. University & Jepson Herbaria; Regents of the University of California. Retrieved August 21, 2011.


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