Viola selkirkii
Viola renifolia
great-spur or long-spur or Selkirk's violet, great-spur violet, Selkirk's violet, violette de Selkirk
kidney-leaf or kidney-shape or white violet, kidney-leaf violet, kidney-leaf white violet, northern white violet, violette réniforme, white 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, 1–5, prostrate to ascending;
stipules linear-lanceolate, margins entire to sparsely laciniate, apex acute;
petiole 3–10 cm, strigose, sericeous, or villous, occasionally glabrous;
blade unlobed, reniform or ovate to broadly ovate or orbiculate, 1.5–3.5 × 2–5 cm, base cordate to broadly cordate, margins serrate-crenate, ciliate or eciliate, apex acute, obtuse, or rounded, occasionally acuminate, surfaces usually sparsely to densely strigose, sericeous, or villous throughout or along veins, sometimes glabrous.
3–6 cm, glabrous or pubescent.
3–8 cm, puberulent.
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 lanceolate to ovate, margins usually eciliate, auricles 1–2 mm;
petals white on both surfaces, lower 3 purple-veined, all beardless or lower 3 sparsely bearded, lowest 8–10 mm, spur white, gibbous, 2–3 mm;
style head beardless; cleistogamous flowers on prostrate to ascending peduncles.
ovoid to ellipsoid, 4–8 mm, glabrous.
ovoid to ellipsoid, 5–8 mm, glabrous.
brown, 1–2 mm.
mottled beige to bronze, 1.5–2.2 mm.
= 24.
= 24.
Viola selkirkii
Viola renifolia
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.)
Nonflowering plants of Viola renifolia and V. epipsila appear similar. The abaxial leaf surfaces of V. renifolia usually have a few short, straight hairs on the main veins; leaves of V. epipsila are usually glabrous (C. Parker, pers. comm.). Viola renifolia can appear similar to V. macloskeyi. V. B. Baird (1942) wrote that V. renifolia sometimes produces ascending stems. H. A. Gleason and A. Cronquist (1991) noted that if stolons were present, they were short and racemelike with cleistogamous flowers. The ascending stems and stolons mentioned by these authors may or may not be different phases of the same structure.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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