Viola pedata |
Viola japonica |
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bird-foot violet |
Japanese violet |
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Habit | Plants perennial, acaulescent, not stoloniferous, 5–30 cm; rhizome thick, fleshy. | Plants perennial, acaulescent, not stoloniferous, 3–10 cm; rhizome thick, fleshy. | ||||
Leaves | basal, 4–10, ascending to erect, deeply divided; stipules linear-lanceolate, margins entire, lacerate, or shallowly divided, apex acute; petiole 2–12 cm, glabrous or sparsely puberulent; blade 3–9(–10)-lobed, lobes similar in width and shape, spatulate, lanceolate ± linear, deltate, or ovate, 1–4 × 1–4 cm, base attenuate or broadly cordate to cuneate, margins entire, ciliate or eciliate, apex rounded to usually acute, surfaces usually glabrous, sometimes pubescent on abaxial veins. |
basal, ca. 5, ascending to erect; stipules ± oblong, 2-fid, proximal margins entire, distal ± serrate, apex acuminate; petiole narrowly winged distally, 1–14 cm, usually glabrous; blade unlobed, broadly ovate or triangular-ovate, 3–8 × 3–5.5 cm, base cordate, margins crenate, usually eciliate, apex acute or ± obtuse, surfaces sparsely puberulent. |
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Peduncles | 5–12 cm, glabrous or pubescent. |
3–6 cm, glabrous or pubescent, bracteoles near middle. |
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Flowers | sepals lanceolate, margins mostly ciliate, at least proximally, auricles 1–2 mm; petals uniformly light to dark blue-violet on both surfaces or upper 2 darker adaxially, sometimes white, upper and lateral 2 often darker basally, lowest, seldom others, dark violet-veined, all beardless, lowest white basally, 12–24 mm, spur white, gibbous, 2–3 mm; style head beardless; cleistogamous flowers absent. |
sepals broadly lanceolate, margins eciliate, auricles 6–8 mm; petals light violet or whitish violet on both surfaces, lowest 3 occasionally white basally, often dark violet-veined, lateral 2 sparsely bearded or beardless, lowest 17–20 mm, spur pale to dark violet, elongated, 5–10 mm; style head beardless; cleistogamous flowers present. |
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Capsules | ellipsoid, 6–10 mm, glabrous. |
ellipsoid, 8–10 mm, glabrous. |
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Seeds | beige, mottled to brown, 1.4–3 mm. |
unknown. |
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Gardens | and ruderal areas; 10–50 m; introduced; Mass.; Asia (China, Japan, Korea). |
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2n | = 56. |
= 48.Flowering Apr–Jun. |
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Viola pedata |
Viola japonica |
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Phenology | Flowering Apr–Jun. | |||||
Habitat | Gardens and ruderal areas | |||||
Elevation | 10–50 m (0–200 ft) | |||||
Distribution |
AL; AR; CT; DC; DE; GA; IA; IL; IN; KS; KY; LA; MA; MD; MI; MN; MO; MS; NC; NE; NH; NJ; NY; OH; OK; PA; RI; SC; TN; TX; VA; WI; WV; ON
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MA; Asia (China, Japan, Korea) [Introduced in North America] |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 6, p. 143. | FNA vol. 6, p. 134. | ||||
Parent taxa | Violaceae > Viola | Violaceae > Viola | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Linnaeus: Sp. Pl. 2: 933. (1753) | Langsdorff ex Gingins: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 1: 295. (1824) | ||||
Web links |