Viola walteri |
Viola primulifolia |
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prostrate blue violet |
primrose-leaf violet, western bog violet, western white bog violet |
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Habit | Plants perennial, caulescent, stoloniferous, 5–19 cm; stolons green or reddish, leafy, sometimes rooting at nodes, becoming lignified in age. | Plants perennial, acaulescent, stoloniferous, (3–)5–20(–36) cm; stolons pale, often rooting and leafy at nodes; rhizome thick or slender, fleshy. | ||||||||
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. |
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Leaves | 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. |
basal, 4–8, prostrate to ascending; stipules linear-lanceolate, margins ± crenate-serrate, sometimes glandular, apex acute; petiole (1–)3–13(–29) cm, glabrous or pubescent; blade unlobed, elliptic to narrowly or broadly ovate, (1.5–)3–7(–9) × 1–3(–3.5) cm, longer than wide, base broadly cordate to attenuate, rarely ± truncate, margins crenulate to serrulate, sometimes glandular, mostly eciliate, apex acute to rounded, mucronulate, surfaces glabrous or sparsely pubescent. |
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Peduncles | 5–9.6 cm, glabrous or pubescent. |
(3–)6–18(–28) cm, glabrous. |
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Flowers | 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. |
sepals lanceolate to ovate, margins usually eciliate, auricles 1–2 mm; petals white on both surfaces, lower 3 purple-veined, lateral 2 bearded or beardless, lowest 9–14(–16) mm, spur white, gibbous, 1–2 mm; style head beardless; cleistogamous flowers present or absent. |
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Capsules | ovoid to ellipsoid, 5–7 mm, glabrous. |
ellipsoid, (5–)8–9 mm, glabrous. |
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Seeds | brown, 1–1.5 mm. |
beige to bronze, 1.5–2 mm. |
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2n | = 20. |
= 24. |
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Viola walteri |
Viola primulifolia |
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Distribution |
AL; AR; FL; GA; KY; LA; MD; MS; NC; OH; PA; SC; TN; TX; VA; WV
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AL; AR; CA; CT; DC; DE; FL; GA; IL; IN; KY; LA; MA; MD; ME; MI; MN; MS; NC; NH; NJ; NY; OH; OK; OR; PA; RI; SC; TN; TX; VA; VT; WV
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 in the flora). Viola primulifolia occurs in small colonies; individual plants are interconnected by stolons. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 6, p. 163. | FNA vol. 6, p. 148. | ||||||||
Parent taxa | Violaceae > Viola | Violaceae > Viola | ||||||||
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Name authority | House: Torreya 6: 172. (1906) | Linnaeus: Sp. Pl. 2: 934. (1753) | ||||||||
Web links |
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