Viola improcera

Compact, stoloniferous perennial herb, glabrous. Leaves tufted, spathulate, the lamina tapering gradually to the petiole, 18–22(–40) mm long (including petiole), apex obtuse, margins crenate-serrate; petioles narrowly winged; stipules linear-lanceolate, c. 3 mm long, laciniate. Flower-scapes 10–25 mm long (elongating to 4 cm long or more in fruit); bracteoles near middle. Sepals lanceolate, c. 2.5 mm long, acute, basal appendages small; petals 4–6 mm long, pale blue-violet, lower (anterior) petal oblong, truncate, without spur; lateral petals not twisted, glabrous. Capsule ellipsoid, c. 6 mm long. Seeds ovoid, c. 2 mm long, black, glossy, smooth or rugulose. Flowers Dec.