UW Burke Herbarium species comparison

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Viola douglasii

Viola glabella

pioneer violet, stream violet
Habit Puberulent perennial from widely spreading, scaly, fleshy rhizomes, the flowering stems 5-30 cm. tall, leafless the lower two-thirds.
Leaves

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 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 parietal, seeds brown.

Viola douglasii

Viola glabella
Flowering time March-July
Habitat Moist woods and stream banks, low to middle elevations in the mountains.
Distribution
[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 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. 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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