UW Burke Herbarium species comparison

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Viola douglasii

Viola orbiculata

darkwoods violet, evergreen yellow violet, round-leaved violet
Habit Glabrous perennial from scaly rhizomes, the aerial stems up to 5 cm. long.
Leaves

Leaves blades nearly orbicular to cordate-ovate, 2-4 cm. broad, thin, often persisting through the winter;

petioles 2-10 cm. long;

stipules brownish, lanceolate, membranous, mostly entire.
Flowers

Flowers 5-15 mm. long, the spur short, saccate;

peduncles exceeding the leaves;

petals lemon-yellow to gold, the lower 3 purplish-penciled, the lateral pair yellow-bearded;

style head bearded.
Fruits

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

Viola douglasii

Viola orbiculata
Flowering time May-August
Habitat Open woods, middle to high elevations in the mountains.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, Montana and Wyoming.
[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. 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. glabella, V. howellii, V. lanceolata, V. langsdorffii, V. macloskeyi, V. nephrophylla, V. nuttallii, V. odorata, 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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