Viola arvensis |
Viola howellii |
|
---|---|---|
European field pansy |
Howell's violet |
|
Habit | Puberulent, freely-branched annual, 1-3 dm. tall. | Sparsely pubescent perennial from scaly rhizomes, 2-10 cm. tall. |
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 cordate to reniform-cordate, with coarse, rounded teeth, the petioles of the many basal leaves 10-15 cm. long; stipules 3-10 mm. long, prominently 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 1.5-2 cm. long, the spur very prominent, saccate; sepals obtuse, auriculate at the base; petals bluish-violet to nearly white, strongly veined with purple, the lateral pair long-bearded; style sparsely bearded. |
Fruits | Fruit a 3-valved capsule, ovary superior, placentation parieta |
Fruit a 3-valved capsule, ovary superior, placentation parietal, seeds light brown. |
Viola arvensis |
Viola howellii |
|
Flowering time | March-June | April-May |
Habitat | Fields, roadsides, wastelots, and other disturbed areas where escaping from cultivation. | Moist woods and prairies at low to moderate 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.
|
Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; southwestern British Columbia to California.
|
Origin | Introduced from Europe | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Web links |
|
|