Viola pedatifida
Gen. Hist. 1: 320. 1831.
Plants perennial, acaulescent, not stoloniferous, 5–30 cm; rhizome thick, fleshy. Leaves basal, 2–11, ascending to erect, 5–9-lobed; stipules linearlanceolate, margins entire, apex acute; petiole 3–16 cm, pubescent; blade similar in width and shape, lobes lanceolate, spatulate, falcate, or linear, 1–7 × 2–8 cm, base truncate to reniform, margins entire, ciliate, apex acute to obtuse, mucronulate, surfaces pubescent, hairs sometimes concentrated on veins. Peduncles 5–18 cm, glabrous or pubescent. Flowers: sepals lanceolate to ovate, margins ciliate or eciliate, auricles 1–2 mm; petals light to soft reddish violet on both surfaces, lower 3 white basally, dark violet-veined, lateral 2 and lowest usually bearded, lowest 10–25 mm, spur same color as petals, gibbous, 2–3 mm; style head beardless; cleistogamous flowers on ascending to erect peduncles. Capsules ellipsoid, 10–15 mm, glabrous. Seeds beige, mottled to bronze, 1.5–2.5 mm. 2n = 54.
Phenology: Flowering Mar–Jun.
Habitat: Prairies, grasslands, disturbed ground, dry gravelly hills
Elevation: 500–1000 m
Distribution
Alta., Man., Ont., Sask., Ariz., Ark., Colo., Ill., Ind., Iowa, Kans., Mich., Minn., Mo., Mont., Nebr., N.Mex., N.Dak., Ohio, Okla., S.Dak., Va., Wis., Wyo.
Discussion
Viola pedatifida was reported historically from, and recently rediscovered in, the Appalachian shale barrens of Virginia (T. Wieboldt, pers. comm.).
Viola pedatifida reportedly hybridizes with V. sororia (= V. ×bernardii Greene).
Selected References
None.
Lower Taxa
"thick" is not a number.