Viola nuttallii var. praemorsa

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  • Scientific Name: Viola nuttallii var. praemosa
  • Family: Violaceae
  • Common Names: canary violet, upland yellow violet, yellow montane violet
  • Synonyms/Misapplications: V. praemorsa, V, praemosa vars. flavovirens, linguifolia
  • Codon: VIONUT

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Scientific classification
Kingdom: Plantae
Subkingdom: Viridiplantae
Phylum: Tracheophyta
Subphylum: Spermatophytina
Class: Magnoliopsida
Subclass: Rosanae
Order: Malpighiales
Family: Violaceae
Genus: Viola L.
Species: Viola nuttallii Pursh
Subspecies: Viola nuttalli var. praemorsa (Douglas ex Lindl.) S. Watson (not accepted)
  • Viola praemorsa var. praemorsa Douglas ex Lindl. (accepted)



Perennial, rhizomatous herb with axillary yellow flowers, to 30 cm tall.[2] Stems several, erect, borne from underground caudices,[2] hairy.[3] Leaves mostly basal,[3] not coarsely veined, crenate to serrate,[4] hairy, fleshy, petiolate, ovate-lanceolate, to 10 cm, petioles to 15 cm long.[5] Flowers 5-merous, solitary, axillary, zygomorphic; sepals 5, lanceolate;[2] petals 5, lowermost larger and spurred, upper 4 in 2 pairs;[4] lower 3 petals with brown-purple veins, lateral 2 bearded;[2] stamens 5, connivent around pistil;[4] pistil 3-carpellate with 1 style,[4] bearded stigma[5] and superior ovary with parietal placentation becoming a ellipsoid to oblong[4] 3-valved capsule.[5]

Bloom Period



Both sides of the Cascades, into Northern California, east to Montana, Wyoming and Northern Utah.[4]


Grasslands, shrub-steppe, open forest.[5]


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  1. Integrated Taxonomic Information System. Retrieved from
  2. 2.0 2.1 2.2 2.3 Jepson Herbarium Online Flora. Retrieved from
  3. 3.0 3.1 E-Flora BC: Electronic Atlas of the Flora of British Columbia. Retrieved from
  4. 4.0 4.1 4.2 4.3 4.4 4.5 Hitchcock, C. L., Cronquist, A., Giblin, D., & Legler, B. et al. (2018). Flora of the Pacific Northwest: an illustrated manual. Seattle: University of Washington Press.
  5. 5.0 5.1 5.2 5.3 5.4 WTU Herbarium, Burke Museum, & University of Washington. Retrieved from