Viola nephrophylla Greene
Family: Violaceae
northern bog violet
Viola nephrophylla image
Merel R. Black  
Etymology: Viola: a classical Latin name for violets
Plants: erect, annual/perennial forb, basically stemless; short rhizomes with no stolons
Leaves: hairless, with heart-shaped base, rounded teeth, main blades wider than long, stalks rising at an angle
Flowers: blue to purple, 5-parted, 3/4"-1 1/4" wide, not widely open, side petals angled forward and bearded, spur petal sometimes bearded; solitary, basal, long-stalked, usually somewhat taller than the leaves; blooms May-June
Fruits: capsule
Habitat: wet; cold, usually acidic places
Conservation Status: Native
Viola nephrophylla image
Viola nephrophylla image
Kenneth J. Sytsma  
Viola nephrophylla image
Merel R. Black  
Viola nephrophylla image
Merel R. Black  
Viola nephrophylla image
National Park Service, Yellowstone  
Viola nephrophylla image
Merel R. Black  
Viola nephrophylla image
National Park Service, Yellowstone  
Viola nephrophylla image
Merel R. Black  
Viola nephrophylla image
Viola nephrophylla image
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