Viola cleistogamoides

Rhizomatous perennial herb, glabrous to slightly pubescent. Leaves tufted; lamina ovate, obovate or rhombic, 5–15 mm long, 3–10(–15) mm wide, base cuneate and tapering to petiole; apex obtuse; margins broadly toothed; petioles narrowly winged, 0.5–2 cm long; stipules free, linear-lanceolate, 1–7 mm long, laciniate. Flower-scapes 5–25 mm long, shorter than leaves, bracteoles mostly above middle. Sepals lanceolate, c. 3 mm long, acute, basal appendages small; petals 2–3 mm long, cream, sometimes with a purplish tinge, lower (anterior) petal linear-oblong, c. 1 mm wide, without spur, lateral petals entire, bearded. Capsule ovoid, 3–5 mm long. Flowers Sep.–Nov.