Viola improcera L.G.Adams

Perennial; stem short, sometimes scarcely visible; stolons present, 1–2 cm long. Leaves spathulate, 18–22 mm long including petiole, glabrous, margins relatively coarsely glandular-crenate; petiole narrowly winged; stipules linear-lanceolate, 2.5–3 mm long, ± connate. Flower-scapes 1–2 cm long, glabrous, strongly violet-tinged. Flowers c. 8 mm diam. Sepals lanceolate, acute, c. 2.5 mm long, glabrous, green. Corolla c. twice as long as calyx, pale blue-violet inside; posterior petals oblanceolate, subfalcate,c.  4 mm long; lateral petals oblanceolate, subfalcate, c. 5 mm long, glabrous; anterior petal oblong, c. 6 mm long, ± truncate. Stamens c. 1 mm long, the anthers subsessile. Ovules 8 per placenta. Capsule ellipsoidal, c. 6 mm long, strongly violet-tinged; seeds ovoid, c. 2 mm long, usually black and rugulose.

Occurs at high altitude sites in heathland and woodland.