UW Burke Herbarium species comparison

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Viola nephrophylla

Viola pluviae

LeConte violet, northern bog violet

rain violet
Habit Glabrous, acaulescent perennial with shallow, fleshy, spreading rhizomes. Leaves few, arising from long petioles attached to the rhizome.
Leaves

Leaf blades deeply ovate-cordate to cordate-triangular, up to 7 cm. in width, with rounded teeth;

petioles 5-25 cm. long;

stipules linear-lanceolate, entire.

Apex of largest leaves obtuse or shortly acuminate from protruding apical tooth; upper and lower leaf surfaces glabrous.
Flowers

Flowers solitary, 10-20 mm. long, on peduncles usually exceeding the leaves;

spur short, saccate;

petals 5, bluish-violet, the lower 3 whitish at the base, prominently bearded, the upper pair sometimes not bearded;

style glabrous.

blue, 9-12 mm long in profile.
Fruits

Capsule, 3-valved.

Viola nephrophylla

Viola pluviae
Flowering time May-July April-July
Habitat Moist places, especially in meadows and along streams. Wet areas at low to moderate elevations, including in part to full shade.
Distribution
Occurring chiefly east of the Cascades crest in Washington; Yukon Territory 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 Idaho and Montana; Eurasia.
Origin Native Native
Conservation status Not of concern Not of concern
Sibling taxa
V. adunca, V. arvensis, V. canadensis, V. flettii, V. glabella, V. howellii, V. lanceolata, V. langsdorffii, V. macloskeyi, 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. orbiculata, V. palustris, 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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