Viola alba, Besser

3. V. alba Besser View in CoL , Prim. Fl. Galic. 1: 171 (1809).

Perennial 5-15 cm, with short rhizome and leaf-rosette, usually producing long, slender, ascending non-rooting stolons which usually flower in their first year. Leaves persisting during winter, ovate to triangular-ovate, cordate, dark green, hairy or glabrous. Spring leaves c. 5 cm, summer leaves 10-15 cm; lamina much shorter than petiole. Stipules linear-lanceolate, long-fimbriate; fimbriae cibate. Peduncles 4-6 cm; bracts at or above middle. Flowers 1-5-2 cm, fragrant, white or violet; lateral petals bearded. Seeds oblong-ovate. C. & S. Europe; Öland. Al Au Bu Co Cr Cz Ga Ge G r He Hs Hu It Ju?Lu Po Rm Rs (W, K) Su Tu. 1 Stolons sometimes absent; leaves sparsely hairy to glabrous, with margins usually convex; flowers violet; capsule sparsely hairy to glabrous (c) subsp. dehnhardtii

1 Stolons always present; leaves usually hairy, with straight or somewhat concave margins; flowers usually white; capsule hairy

2 Leaves and capsule light green; spur yellow-green (a) subsp. alba

2 Leaves and capsule dark green; spur violet (b) subsp. scotophylla