UW Burke Herbarium species comparison

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Viola purpurea

Viola adunca

early blue violet, wild dog violet
Habit Puberulent perennial from a slender, scaly rhizome, the aerial stems 5-15 mm. long; herbage usually glaucous-green, purplish-veined, often purplish throughout. Glabrous to densely puberulent perennial from slender rhizomes, from stemless to 10 cm. tall.
Leaves

Leaf blades rather thick and fleshy, orbicular to lanceolate, cordate to wedge-shaped at the base, sub-entire to wavy-margined or toothed;

petioles 2-6 cm. long;

stipules lanceolate, entire to few-toothed.

Leaves short- to long-petiolate, the blade cordate-ovate to lance-ovate, with fine, rounded teeth, 1-3 cm. long;

stipules liner-lanceolate, 3-10 mm. long, entire to remotely slender-toothed.
Flowers

Peduncles shorter than the leaves;

flowers 5-12 mm. long, spur very short;

petals yellow, brownish-penciled, the lateral pair bearded.

Flowers 5-15 mm. long, the spur on the lowest petal slender, over half the length of the petal;

petals blue to deep violet, the lower three with a whitish base penciled in violet, the lateral pair white-bearded;

style head bearded with thick hairs. Some flowers also cleistogamous (do not open up but do self-pollinate and produce seed).
Fruits

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

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

Viola purpurea

Viola adunca
Flowering time May-August April-August
Habitat Open, rocky, fairly dry slopes, moderate to high elevations in the mountains Dry to moist meadows and open woods, from the lowlands to subalpine areas.
Distribution
Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Rocky Mountains.
[WildflowerSearch map]
[BONAP county map]
Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
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. odorata, V. orbiculata, V. palustris, V. pluviae, V. renifolia, V. riviniana, V. selkirkii, V. sempervirens, V. sheltonii, V. sororia, V. tricolor, V. trinervata, V. ×wittrockiana
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. riviniana, V. selkirkii, V. sempervirens, V. sheltonii, V. sororia, V. tricolor, V. trinervata, V. ×wittrockiana
Subordinate taxa
V. purpurea ssp. venosa
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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