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European field pansy

pioneer violet, stream violet

Habit Puberulent, freely-branched annual, 1-3 dm. tall. Puberulent perennial from widely spreading, scaly, fleshy rhizomes, the flowering stems 5-30 cm. tall, leafless the lower two-thirds.
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.

Leaf blades ovate-cordate to reniform, abruptly pointed, the basal leaves with petioles 10-20 cm. long;

stipules membranous, ovate to obovate, 5-10 mm. long, entire.

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 8-14 mm. long, borne chiefly on the upper part of the stem, on peduncles about as long as the leaves;

spur very short;

petals clear yellow, the lower 3 with purple penciling, the lateral pair well bearded;

style head copiously bearded.

Fruits

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

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

Viola arvensis

Viola glabella

Flowering time March-June March-July
Habitat Fields, roadsides, wastelots, and other disturbed areas where escaping from cultivation. Moist woods and stream banks, low to middle elevations in the mountains.
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 on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta and Montana.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Europe Native
Conservation status Not of concern Not of concern
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. flettii, 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
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