Viola walteri
Viola striata
prostrate blue violet
cream or cream-white or pale or striped or striped cream violet, creamy violet, striped cream violet, striped white violet, violette strièe
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.
1–4, ascending to erect (often declining during anthesis), glabrous or pubescent, on caudex from fleshy rhizome.
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.
basal and cauline;
basal: 2–6;
stipules lanceolate to narrowly deltate, margins laciniate, apex acute;
petiole 3–6 cm, glabrous or puberulent;
blade ovate to reniform, 2–7 × 1–2.5 cm, base cordate, margins crenate to serrate, ciliate or eciliate, apex obtuse to acute, surfaces glabrous or pubescent;
cauline similar to basal except: stipules lanceolate, margins laciniate;
petiole 3–7 cm;
distal blades ovate to deltate, 1–6 × 1–4 cm, base cordate, apex acuminate to acute.
5–9.6 cm, glabrous or pubescent.
5–12 cm, glabrous or pubescent.
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.
sepals lanceolate, margins ciliate or eciliate, auricles 2–3 mm;
petals white or cream on both surfaces, without yellow patch basally, lowest and usually lateral 2 purple-veined, lateral 2 and sometimes all densely bearded, lowest 10–18 mm, spur white, gibbous to elongated, 3–6 mm;
style head bearded; cleistogamous flowers axillary.
ovoid to ellipsoid, 5–7 mm, glabrous.
ellipsoid, 6–7 mm, glabrous.
brown, 1–1.5 mm.
beige to bronze, 1.5–3 mm.
= 20.
= 20.
Viola walteri
Viola striata
Varieties 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Dead, long-persistent stems of Viola striata are often present the following season. In flower, the plants are often mistaken for V. canadensis because the petals are whitish (H. E. Ballard 1992).
Viola striata reportedly hybridizes with V. labradorica (= V. ×eclipes H. E. Ballard), V. rostrata (= V. ×brauniae Grover ex Cooperrider), V. walteri var. appalachiensis (= V. ×wujekii H. E. Ballard), and V. walteri var. walteri (= V. ×cooperrideri H. E. Ballard).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Leaf blades pubescent, hairs scattered throughout or concentrated along veins, adaxial surfaces, or toward margins; stipule margin processes 1/2+ stipule length. | var. walteri |
1. Leaf blades glabrous or pubescent, hairs usually confined to adaxial surfaces; stipule margin processes to 1/2 stipule length. | var. appalachiensis |
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