Viola cucullata
Viola macloskeyi
blue marsh violet, marsh blue or northern bog or marsh or blue marsh violet, marsh blue violet, violette cucullée
Macloskey's or northern white or small white or smooth white or wild white violet, Macloskey's violet, northern white violet, small white violet, smooth white violet, violette pâle
basal, 4–8, ascending to erect;
stipules linear-lanceolate, margins entire, apex acute;
petiole 6–20 cm, usually glabrous;
blade unlobed, ovate to reniform, 1.5–11 × 1–9 cm, base reniform to cordate, margins crenate to serrate, ciliate, apex acute or obtuse to slightly caudate, surfaces glabrous, rarely pubescent.
basal, 2–6, ascending to erect;
stipules ovate to linear-lanceolate, margins entire or glandular-toothed, apex acute;
petiole 1–10 cm, strigose;
blade unlobed, reniform to ovate, 1–6.5 × 1–5.5 cm, base broadly or shallowly cordate, margins ± entire or shallowly crenate, eciliate, apex rounded to acute, surfaces usually glabrous, abaxial surfaces sometimes puberulent on proximal 1/2.
7–25 cm, glabrous or pubescent.
2.5–11(–21) cm, usually glabrous, sometimes villous.
sepals lanceolate, margins ciliate or eciliate, auricles 3–6 mm;
petals light to dark blue-violet to violet on both surfaces, upper 2 and lateral 2 darker basally, lateral 2 densely bearded, lowest white basally, dark purple-veined, 9–13 mm, spur color same as petals, gibbous, 2–3 mm;
style head beardless; cleistogamous flowers on erect peduncles.
sepals lanceolate to ovate, margins eciliate, auricles 0.5–2 mm;
petals white on both surfaces, lower 3 purple-veined, lateral 2 bearded, rarely beardless, lowest 6–12 mm, spur white, gibbous, 1–2.5 mm;
style head beardless; cleistogamous flowers on ascending peduncles.
ellipsoid to ± ovoid, 10–15 mm, glabrous.
ovoid, 5–9 mm, glabrous.
beige, mottled to bronze, 1–2 mm.
beige to bronze, 1–1.5 mm.
= 54.
= 24.
Viola cucullata
Viola macloskeyi
Viola cucullata reportedly hybridizes with V. sororia (= V. ×bissellii House), V. brittoniana (= V. ×notabilis E. P. Bicknell), and V. sagittata var. sagittata (= V. ×porteriana House).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Viola macloskeyi was described by Banks in 1824 as V. rotundifolia var. pallens, from specimens collected by Banks in Labrador. E. Brainerd made the combination V. pallens in 1905 and later (1924) detailed its troublesome nomenclatural history.
Viola macloskeyi was described in 1895 by F. E. Lloyd based on specimens collected at the base of Mount Hood, Oregon. M. S. Baker (1953) placed V. macloskeyi as a subspecies of V. pallens. He later (1953b) corrected that change based on priority and thus the taxon became known as V. macloskeyi subsp. pallens. N. H. Russell (1955) maintained that status, separating subspp. macloskeyi and pallens on the wider, spreading basal leaf lobes of subsp. pallens. McKinney, after examining specimens of both taxa, including types, concluded that the differences have been exaggerated and fall within the range of variation of a single species.
Viola macloskeyi occurs in small colonies; individual plants are interconnected by stolons.
In parts of its range, Viola macloskeyi often shares habitat with V. renifolia; it may be difficult to distinguish the two. The stolons of V. macloskeyi are useful for identification during summer months; V. renifolia plants lack stolons. Patterns of indument can be useful; V. renifolia is usually hairy and V. macloskeyi is usually glabrous (petioles sometimes pubescent).
Viola macloskeyi reportedly hybridizes with V. primulifolia var. primulifolia (= V. ×mollicula House).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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