Viola selkirkii
Viola lanceolata
great-spur or long-spur or Selkirk's violet, great-spur violet, Selkirk's violet, violette de Selkirk
bog white violet, Howell's violet, lance-leaf or bog white violet, lance-leaf violet, strap-leaf violet, violette lancéolée, white bog violet
basal, 2–12, prostrate to ascending;
stipules linear-lanceolate, margins entire, apex acute;
petiole 1.5–7 cm, not winged, glabrous or pubescent;
blade unlobed, usually ovate, rarely orbiculate, 1–5 × 1–5 cm, base cordate, margins crenate to crenulate or serrate, eciliate, apex rounded to acute, surfaces glabrous or sometimes pubescent abaxially, strigose adaxially.
basal, 2–6(–9), ascending to erect;
stipules linear-lanceolate, margins entire or irregularly lacerate (at least distally), apex acute;
petiole 2–12 cm, glabrous or pubescent;
blade unlobed, lanceolate or narrowly elliptic to nearly linear, 2.5–12 × 0.7–2.5 cm, longer than wide, base attenuate, margins serrate, mostly eciliate, apex acute, mucronulate, surfaces glabrous.
3–6 cm, glabrous or pubescent.
2–17 cm, usually pubescent.
sepals lanceolate to ovate-lanceolate, margins eciliate, auricles 1–2 mm;
petals light violet on both surfaces, lower 3 white basally and dark violet-veined, lateral 2 beardless, lowest 8–13 mm, spur pale to dark violet, elongated, 4–7 mm;
style head beardless; cleistogamous flowers on prostrate to ascending peduncles.
sepals ovate to lanceolate, margins mostly eciliate, auricles 1–2 mm;
petals white on both surfaces, lowest and sometimes lateral 2 purple-veined, lateral 2 sparsely bearded or beardless, lowest 7–12 mm, spur white, gibbous, 1–2 mm;
style head beardless; cleistogamous flowers on prostrate to ascending peduncles.
ovoid to ellipsoid, 4–8 mm, glabrous.
ellipsoid, 5–8 mm, glabrous.
brown, 1–2 mm.
beige to bronze, 1.5–2.5 mm.
= 24.
= 24.
Viola selkirkii
Viola lanceolata
Viola selkirkii occurs on the southwestern coast of Greenland, north to 63ºN (L. Brouillet, pers. comm.). Presence of V. selkirkii in the Northwest Territories and Nunavut is considered doubtful (L. Brouillet et al., http://canadensys.net/vascan). K. W. Allred (2008) said that V. selkirkii was considered by W. C. Martin and C. R. Hutchins (1980) to be expected in New Mexico.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Viola lanceolata occurs in small colonies; individual plants are interconnected by stolons.
Viola lanceolata subsp. vittata was recognized by N. H. Russell (1955) based on its linear leaf blade shape. The range in leaf blade shape appears to have no distinct line of demarcation. Some believe that leaf shape differences and near restriction to the coastal plain support recognition at some level. Studies are necessary to resolve this issue.
J. H. Shultze (1946) reported that Viola lanceolata was introduced into Washington in the early 1900s primarily from Cape Cod and Wisconsin as a result of importation of cranberry vines. In British Columbia, it is known from Lulu Island, where it was introduced from eastern North America (G. W. Douglas et al. 1998–2002, vol. 5).
Viola lanceolata reportedly hybridizes with V. primulifolia var. primulifolia (= V. ×modesta House) and V. macloskeyi (= V. ×sublanceolata House).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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