Viola blanda
Viola striata
sweet white violet, violette agréable
cream or cream-white or pale or striped or striped cream violet, creamy violet, striped cream violet, striped white violet, violette strièe
1–4, ascending to erect (often declining during anthesis), glabrous or pubescent, on caudex from fleshy rhizome.
basal, 2–9, prostrate to ascending;
stipules linear-lanceolate, margins entire, apex acute;
petiole 2–11 cm, usually sparsely pubescent;
blade unlobed, reniform to ovate, 2–4 × 2–4 cm, base cordate, lobes often overlapping, margins serrate, ciliate or eciliate, apex rounded or acute to acuminate, surfaces sometimes glabrous, usually sparsely pubescent adaxially.
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.
3–11 cm, glabrous or pubescent.
5–12 cm, glabrous or pubescent.
sepals lanceolate to ovate, margins mostly eciliate, auricles 1–2 mm;
petals white on both surfaces, lower 3 purple-veined, lateral 2 usually beardless, lowest 8–10 mm, spur white, gibbous, 1–2 mm;
style head beardless; 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, 4–6 mm, glabrous.
ellipsoid, 6–7 mm, glabrous.
beige to bronze, 1.5–2 mm.
beige to bronze, 1.5–3 mm.
= 44, 48.
= 20.
Viola blanda
Viola striata
Viola blanda occurs in small colonies; individual plants are interconnected by stolons.
Whether to recognize Viola incognita at any taxonomic level is currently unresolved. It is said to have pubescent
leaf blades, greenish peduncles, nontwisted lateral petals, and a preference for moister habitats. Most of these characters fall within the range of variation observed in V. blanda.
N. H. Russell (1965) noted that Viola incognita is principally found in glaciated areas whereas V. blanda is found in nonglaciated areas. Á. Löve and D. Löve (1982b) and J. M. Canne (1987) reported a chromosome count of 2n = 44; J. Clausen (1929) and A. Gershoy (1934) reported 2n = 48. V. B. Baird (1942) reported that V. blanda (and V. incognita) have fragrant flowers.
(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.)
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