Foliage smooth and plants usually profusely stoloniferous in late summer, the stolons rooting at the nodes and bearing numerous apetalous flowers; the rootstocks slender. Flowering stalks 2 to 4 inches high or higher; mature leaves lanceolate or elliptical in shape, the blade 2 to 6 inches long and one-eighth to three-fourths of an inch wide, tapering gradually below into the margined reddish petiole; margins of the leaves obscurely crenulate. Flowers white, the three lower petals striped with purplish veins. Fruiting capsules green; seeds dark brown.
Memoir 15 N. Y. State Museum
B. Lance-Leaved Or Water Violet Viola Lanceolata
Open bogs, marshes and moist meadows, Nova Scotia to Minnesota and southward. Flowering in May and June or sometimes as early as the latter part of April.
The Round-leaved Yellow Violet (Viola rotundifolia Michaux) possesses oval or orbicular, blunt leaves, heart-shaped with repand-crenulate margins; at flowering time about 1 inch wide; in midsummer 2 to 4 inches wide and flat upon the ground; flowers bright yellow, the three lower petals with brown lines. In cold woods, Maine to Ontario, south to Georgia. Very common in the Adirondack and Catskill mountains. In other parts of the State rather rare or local.