UW Burke Herbarium species comparison

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Viola howellii

Howell's violet
Habit Sparsely pubescent perennial from scaly rhizomes, 2-10 cm. tall.
Leaves

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 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 parietal, seeds light brown.

Viola howellii
Flowering time April-May
Habitat Moist woods and prairies at low to moderate elevations.
Distribution
Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; southwestern British Columbia to California.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
V. adunca, V. arvensis, V. canadensis, V. flettii, V. glabella, 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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