Viola praemorsa is a species of violet known by the common names canary violet,[3]Astoria violet,[4]yellow montane violet, and upland yellow violet.[5]
This rhizomatous perennial herb grows up to 30 centimeters (12in) 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 (3.3in) 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]
↑ COSEWIC. 2007. COSEWIC assessment and update status report on the yellow montane violet, praemorsa subspecies, Viola praemorsa ssp. praemorsa, in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vii + 24 pp. (www.sararegistry.gc.ca/status/status_e.cfm).
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