Tuft with leaning stems. Leaves with rounded edges, widely triangular, with a deep basal cleft, toothed, with few hairs on veins. Flowers often entirely light blue to lavender, sometimes with white bases and deeper bluish purple backs, never yellow. Lower petal lighter toward base with dark purple veins and spur as wide as it is long.
The 2 side petals have a small tuft of hair at base
(from Turner Photographics)