Plant with a fleshy rhizome. Leaves deciduous, heart-shaped, margin toothed. Flowers generally large and long-stemmed, soft blue-violet with a white eye; spring to summer.
V. papilionacea Pursh is a hairless variant now considered under this species so that varying degrees of hairiness occur in this species. [V. papilionacea Pursh]
The cleistogamous flowers (formed after the normal flowering period and fertilised while still closed) are a feature.
One of the commonest violets in the United States.
Source: (1997). Violaceae. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.
Flowers large, white with a purple centre radiating out in fine rays to give a pinstriped effect. [V. princeana Pollard]
Flowers pure sky blue on stalks to about 13 cm long.
Flowers prolific generally relatively small, pale blue freckled with deeper blue on stalks to 15 cm long. ['Speckles']
Flowers prolific, rich purple, slightly fragrant on stalks to 15 cm or so long.