Viola tomentosa
Viola egglestonii
felt-leaf violet, woolly or felt-leaf or feltleaf violet, woolly violet
cedar glade or glade violet, glade violet
1–3(–5), prostrate or decumbent to erect, leafy proximally and distally, densely white-tomentose, from usually vertical, subligneous rhizome.
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.
basal, 3, prostrate to ascending;
stipules linear-lanceolate, margins entire, apex acute;
petiole 1.5–7 cm, usually glabrous;
earliest leaf blades ± deltate or 3-lobed, mid-season blades 5–9-lobed, 1–9 × 1–10 cm, base truncate to cuneate, middle lobe lanceolate or spatulate to narrowly ovate, lateral lobes lanceolate or spatulate to falcate, margins serrate, sometimes with deltate or falcate appendages or teeth, ciliate, apex acute, surfaces usually glabrous, rarely pubescent.
1–4 cm, densely white-tomentose.
2–15 cm, usually glabrous, rarely pubescent.
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.
sepals lanceolate to ovate, margins ciliate or eciliate, auricles 0.5–1 mm;
petals light to dark blue-violet on both surfaces, lower 3 and sometimes upper 2 white basally, lower 3 darker violet-veined, lateral 2 densely bearded, lowest 10–15 mm, spur usually lilac, gibbous, 2–3 mm;
style head beardless; cleistogamous flowers on prostrate peduncles.
± spherical, 4–5 mm, densely white-tomentose.
ellipsoid, 11–14 mm, glabrous.
brown with lighter brown mottling, 2.5–2.8 mm.
beige, mottled to bronze, 2–3 mm.
= 12.
= 54.
Viola tomentosa
Viola egglestonii
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.)
N. H. Russell (1965) was the first to consider Viola egglestonii similar to V. septemloba. After analyzing leaf-blade lobing patterns, L. E. McKinney considered it a subspecies of V. septemloba. Although similarities exist between these taxa, we maintain them as distinct species.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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