Viola selkirkii
Viola tomentosa
great-spur or long-spur or Selkirk's violet, great-spur violet, Selkirk's violet, violette de Selkirk
felt-leaf violet, woolly or felt-leaf or feltleaf violet, woolly violet
1–3(–5), prostrate or decumbent to erect, leafy proximally and distally, densely white-tomentose, from usually vertical, subligneous rhizome.
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 and cauline;
basal: 1–6;
stipules linear to broadly ovate-oblong, margins entire, sometimes with scattered glandular hairs, apex acute to obtuse;
petiole 2–6 cm, densely white-tomentose;
blade ± oblanceolate to elliptic, 1.5–5 × 1.4–2.1 cm, base attenuate, usually oblique, margins usually entire, rarely crenate distally, ciliate, apex acute to usually obtuse, mucronulate, surfaces densely white-tomentose abaxially, strigose adaxially;
cauline similar to basal except: stipules ovate, lanceolate, oblanceolate, or oblong, margins entire or toothed, densely ciliate with white hairs;
petiole 1.5–3.5 cm;
blade 1.8–4 × 0.6–1.1 cm.
3–6 cm, glabrous or pubescent.
1–4 cm, densely white-tomentose.
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, margins ciliate-tomentose, auricles 0.5–1 mm;
petals deep lemon-yellow adaxially, upper 2 often brownish purple abaxially, lower 3 dark brown- to brownish purple-veined, lateral 2 bearded, lowest 6–11 mm, spur yellow, gibbous, 0.5–1.5 mm;
style head bearded; cleistogamous flowers absent.
ovoid to ellipsoid, 4–8 mm, glabrous.
± spherical, 4–5 mm, densely white-tomentose.
brown, 1–2 mm.
brown with lighter brown mottling, 2.5–2.8 mm.
= 24.
= 12.
Viola selkirkii
Viola tomentosa
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 tomentosa occurs in El Dorado, Nevada, Placer, Plumas, and Sierra counties. M. S. Baker (1949) reported that nearly every leaf axil of V. tomentosa produces a flower bud and that these buds produce chasmogamous flowers late in season instead of cleistogamous flowers, as do other members of the V. nuttallii complex.
Viola tomentosa hybridizes with V. purpurea; the hybrids appeared sterile (M. S. Baker 1949). J. Clausen (1964) reported a putative hybrid between V. tomentosa and V. sheltonii from one location in Sierra County.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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