Difference between revisions of "Viola walteri"
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Revision as of 22:21, 13 August 2020
Plants perennial, caulescent, stoloniferous, 5–19 cm; stolons green or reddish, leafy, sometimes rooting at nodes, becoming lignified in age. Stems 1–5, prostrate, spreading, finely puberulent, from current and/or previous year’s growth, on usually vertical, fleshy rhizome, rooting and forming rosettes at or near tip; rooted rosettes often develop into an erect, fleshy caudex from which new stems are produced. Leaves basal and cauline; basal: 3–6; stipules lanceolate, margins laciniate, projections often long-filamentous, apex long-acuminate; petiole 2.3–7.3 cm, glabrous or pubescent; blade often purple-spotted abaxially and/or adaxially, ovate to reniform, 1.2–5 × 1.6–3.6 cm, base deeply to broadly cordate, margins crenulate to serrate, ciliate or eciliate, apex rounded to obtuse, surfaces glabrous or pubescent; cauline similar to basal except: stipules ovate to lanceolate, margins laciniate; petiole 1–3.5 cm; blade 1.3–2.9 × 1.4–3.2 cm. Peduncles 5–9.6 cm, glabrous or pubescent. Flowers: sepals lanceolate to ovate, margins mostly eciliate, auricles 0.5–1 mm; petals pale to bluish violet on both surfaces, lower 3 white basally and darker violet-veined, lateral 2 and often upper 2 and lowest bearded, lowest 15–18 mm, spur white, gibbous to usually elongated, 3–5 mm; style head bearded; cleistogamous flowers axillary. Capsules ovoid to ellipsoid, 5–7 mm, glabrous. Seeds brown, 1–1.5 mm. 2n = 20.
Distribution
Ala., Ark., Fla., Ga., Ky., La., Md., Miss., N.C., Ohio, Pa., S.C., Tenn., Tex., Va., W.Va.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Leaf blades pubescent, hairs scattered throughout or concentrated along veins, adaxial surfaces, or toward margins; stipule margin processes 1/2+ stipule length. | Viola walteri var. walteri |
| 1 | Leaf blades glabrous or pubescent, hairs usually confined to adaxial surfaces; stipule margin processes to 1/2 stipule length. | Viola walteri var. appalachiensis |