UW Burke Herbarium species comparison

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Viola arvensis

Viola flettii

European field pansy
Viola flettii

Flett's violet, Olympic violet
Habit Puberulent, freely-branched annual, 1-3 dm. tall. Glabrous perennial from short, thick rhizomes, the stems 3-15 cm. long.
Leaves

Leaf blades ovate to lanceolate, coarsely round-toothed, 1-3 cm. long, about equaling the petioles;

stipules very large, laciniate into 5-9 segments, usually with one leaf-like segment nearly as large as the main blade.

Leaves fleshy, petiolate, purplish-green, the blades reniform, 1.5-4 cm. broad, finely round-toothed;

stipules lanceolate, toothed.
Flowers

Flowers long-pedunculate, solitary in the leaf axils, whitish or light yellow with a tinge of blue, the spur short;

sepals lanceolate, about as long as the petals;

style head copiously short-hairy.

Flowers 1.5 cm. long, the spur very short, yellow;

petals purplish-violet, yellow at the base, the lower 3 dark-veined, the lateral pair yellow-bearded;

style head well bearded.
Fruits

Fruit a 3-valved capsule, ovary superior, placentation parieta

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

Viola arvensis

Viola flettii
Flowering time March-June June-August
Habitat Fields, roadsides, wastelots, and other disturbed areas where escaping from cultivation. Alpine rock crevices and talus slopes at high elevations.
Distribution
Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Occurring west of the Cascades crest in Washington, where endemic to the Olympic Mountains
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Europe Native
Conservation status Not of concern Review Group 1 in Washington (WANHP)
Sibling taxa
V. adunca, 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
V. adunca, V. arvensis, V. canadensis, 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
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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