UW Burke Herbarium species comparison

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Viola odorata

Viola riviniana

sweet blue violet

dog violet, wood violet
Habit Low, fragrant, creeping, soft-hairy perennial with stolons that root at the nodes.
Leaves

Leaves tufted, cordate and rounded, petiolate, enlarging in summer.

Flowers

Flowers blue-violet or white, rarely lilac, pink or yellow;

sepals blunt.

Fruits

Fruit a 3-valved capsule, ovary superior, placentation parietal.

Viola odorata

Viola riviniana
Flowering time March-September March-September
Habitat Sheltered, disturbed areas in somewhat moist soil. Lawns, sidewalks, wastelots, and other disturbed areas at low elevations.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho; also in eastern North America.
[WildflowerSearch map]
[BONAP county map]
Occurring west of the Cascades crest in lowland western Washington; British Columbia to California.
Origin Introduced from Europe Introduced from Eurasia and northwest Africa
Conservation status Not of concern Not of concern
Sibling taxa
V. adunca, V. arvensis, V. canadensis, V. flettii, V. glabella, V. howellii, V. lanceolata, V. langsdorffii, V. macloskeyi, V. nephrophylla, V. nuttallii, V. orbiculata, V. palustris, V. pluviae, V. purpurea, V. renifolia, V. riviniana, V. selkirkii, V. sempervirens, V. sheltonii, V. sororia, V. tricolor, V. trinervata, V. ×wittrockiana
V. adunca, V. arvensis, V. canadensis, V. flettii, V. glabella, V. howellii, V. lanceolata, V. langsdorffii, V. macloskeyi, V. nephrophylla, V. nuttallii, V. odorata, V. orbiculata, V. palustris, V. pluviae, V. purpurea, V. renifolia, V. selkirkii, V. sempervirens, V. sheltonii, V. sororia, V. tricolor, V. trinervata, V. ×wittrockiana
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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