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great-spur or long-spur or Selkirk's violet, great-spur violet, Selkirk's violet, violette de Selkirk

prostrate blue violet

Habit Plants perennial, acaulescent, not stoloniferous, 4–15 cm; rhizome slender, not fleshy. Plants perennial, caulescent, stoloniferous, 5–19 cm; stolons green or reddish, leafy, sometimes rooting at nodes, becoming lignified in age.
Stems

1–5, prostrate, spreading, finely puberulent, from current and/or previous year’s growth, on usually vertical, fleshy rhizome, rooting and forming rosettes at or near tip; rooted rosettes often develop into an erect, fleshy caudex from which new stems are produced.

Leaves

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: 3–6;

stipules lanceolate, margins laciniate, projections often long-filamentous, apex long-acuminate;

petiole 2.3–7.3 cm, glabrous or pubescent;

blade often purple-spotted abaxially and/or adaxially, ovate to reniform, 1.2–5 × 1.6–3.6 cm, base deeply to broadly cordate, margins crenulate to serrate, ciliate or eciliate, apex rounded to obtuse, surfaces glabrous or pubescent;

cauline similar to basal except: stipules ovate to lanceolate, margins laciniate;

petiole 1–3.5 cm;

blade 1.3–2.9 × 1.4–3.2 cm.

Peduncles

3–6 cm, glabrous or pubescent.

5–9.6 cm, glabrous or pubescent.

Flowers

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 mostly eciliate, auricles 0.5–1 mm;

petals pale to bluish violet on both surfaces, lower 3 white basally and darker violet-veined, lateral 2 and often upper 2 and lowest bearded, lowest 15–18 mm, spur white, gibbous to usually elongated, 3–5 mm;

style head bearded; cleistogamous flowers axillary.

Capsules

ovoid to ellipsoid, 4–8 mm, glabrous.

ovoid to ellipsoid, 5–7 mm, glabrous.

Seeds

brown, 1–2 mm.

brown, 1–1.5 mm.

2n

= 24.

= 20.

Viola selkirkii

Viola walteri

Phenology Flowering May–Jun.
Habitat Wet to moist places, thickets, mixed or coniferous woods
Elevation 200–3000 m (700–9800 ft)
Distribution
from FNA
AK; CO; MA; ME; MI; MN; NH; NY; PA; SD; VT; WA; WI; AB; BC; MB; NB; NL; NS; ON; QC; SK; YT; Greenland; Eurasia
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; AR; FL; GA; KY; LA; MD; MS; NC; OH; PA; SC; TN; TX; VA; WV
[WildflowerSearch map]
[BONAP county map]
Discussion

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.)

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Key
1. Leaf blades pubescent, hairs scattered throughout or concentrated along veins, adaxial surfaces, or toward margins; stipule margin processes 1/2+ stipule length.
var. walteri
1. Leaf blades glabrous or pubescent, hairs usually confined to adaxial surfaces; stipule margin processes to 1/2 stipule length.
var. appalachiensis
Source FNA vol. 6, p. 157. FNA vol. 6, p. 163.
Parent taxa Violaceae > Viola Violaceae > Viola
Sibling taxa
V. adunca, V. affinis, V. arvensis, V. bakeri, V. beckwithii, V. bicolor, V. biflora, V. blanda, V. brittoniana, V. canadensis, V. canina, V. charlestonensis, V. clauseniana, V. cucullata, V. cuneata, V. douglasii, V. egglestonii, V. epipsila, V. flettii, V. frank-smithii, V. glabella, V. guadalupensis, V. hallii, V. hastata, V. hirsutula, V. howellii, V. japonica, V. labradorica, V. lanceolata, V. langsdorffii, V. lithion, V. lobata, V. macloskeyi, V. missouriensis, V. nephrophylla, V. novae-angliae, V. nuttallii, V. ocellata, V. odorata, V. orbiculata, V. palmata, V. palustris, V. pedata, V. pedatifida, V. pedunculata, V. pinetorum, V. praemorsa, V. primulifolia, V. prionantha, V. pubescens, V. purpurea, V. quercetorum, V. renifolia, V. riviniana, V. rostrata, V. rotundifolia, V. sagittata, V. sempervirens, V. septemloba, V. sheltonii, V. sororia, V. striata, V. subsinuata, V. tomentosa, V. tricolor, V. trinervata, V. tripartita, V. umbraticola, V. utahensis, V. vallicola, V. villosa, V. walteri
V. adunca, V. affinis, V. arvensis, V. bakeri, V. beckwithii, V. bicolor, V. biflora, V. blanda, V. brittoniana, V. canadensis, V. canina, V. charlestonensis, V. clauseniana, V. cucullata, V. cuneata, V. douglasii, V. egglestonii, V. epipsila, V. flettii, V. frank-smithii, V. glabella, V. guadalupensis, V. hallii, V. hastata, V. hirsutula, V. howellii, V. japonica, V. labradorica, V. lanceolata, V. langsdorffii, V. lithion, V. lobata, V. macloskeyi, V. missouriensis, V. nephrophylla, V. novae-angliae, V. nuttallii, V. ocellata, V. odorata, V. orbiculata, V. palmata, V. palustris, V. pedata, V. pedatifida, V. pedunculata, V. pinetorum, V. praemorsa, V. primulifolia, V. prionantha, V. pubescens, V. purpurea, V. quercetorum, V. renifolia, V. riviniana, V. rostrata, V. rotundifolia, V. sagittata, V. selkirkii, V. sempervirens, V. septemloba, V. sheltonii, V. sororia, V. striata, V. subsinuata, V. tomentosa, V. tricolor, V. trinervata, V. tripartita, V. umbraticola, V. utahensis, V. vallicola, V. villosa
Subordinate taxa
V. walteri var. appalachiensis, V. walteri var. walteri
Name authority Pursh ex Goldie: Edinburgh Philos. J. 6: 324. (1822) House: Torreya 6: 172. (1906)
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