Viola hallii |
Viola ocellata |
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Hall's violet, Oregon violet, wild pansy |
pinto violet, two-eyed violet, western heart's ease, western heart's ease or two-eyed or southern two-eyed violet |
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Habit | Plants perennial, caulescent, not stoloniferous, 5–22 cm. | Plants perennial, caulescent, not stoloniferous, 2–37 cm. |
Stems | 1–3, decumbent or ascending to erect, ca. 1/2 subterranean, glabrous, clustered on single, short, vertical, deep-seated caudex. |
1–3, ascending to erect, ± glabrous or usually puberulent, on caudex from shallow, fleshy rhizome or deep-seated caudex with fleshy roots. |
Leaves | basal and cauline; basal: 1–4, palmately compound, ± 2-ternate or 3-ternate, leaflets 3; stipules adnate to petiole, forming 2 linear-lanceolate wings, unlobed, margins entire, apex of each wing free, acute; petiole 5–8 cm, glabrous; blade ovate to deltate, 2.8–6 × 2.6–6.5 cm, ± coriaceous, base tapered, ultimate lobes narrowly elliptic, lanceolate, or oblanceolate, 1–7 mm wide, margins entire, ciliate or eciliate, apex acute, mucronulate, surfaces glabrous; cauline similar to basal except: stipules usually lanceolate, sometimes broadly ovate, ± leaflike, margins toothed; petiole 1.3–6 cm; blade 2–4.8 × 1.2–5.5 cm. |
basal and cauline; basal: 1–6; stipules deltate, margins laciniate, apex usually long-acuminate; petiole 3.7–10 cm, puberulent; blade ovate, deltate, or subreniform, 1–6 × 1.2–4 cm, base usually cordate to subcordate, margins crenate, usually ciliate, apex acute, mucronulate, surfaces usually sparsely puberulent, glabrous early; cauline similar to basal except: stipules lanceolate, margins ±fimbriate, sometimes stipitate-glandular, sometimes entire, erose, or ± laciniate; petiole 0.4–9 cm; blade ovate to deltate, 1.6–4.4 × 1.1–3.6 cm, base subcordate to truncate, margins crenate to ± serrate, ciliate, apex acute to obtuse. |
Peduncles | 2.5–11 cm, glabrous. |
1–10 cm, puberulent. |
Flowers | sepals lanceolate to ovate, margins ciliate, auricles 0.5–1 mm; petals: upper 2 almost black abaxially, dark reddish violet adaxially, lower 3 pale yellow, cream, or ± white, lateral 2 bearded, with deep yellow to orange patch basally, dark reddish violet-veined, lowest with deep yellow to orange patch basally, dark reddish violet-veined, 5–18 mm, spur yellow, gibbous, 0.5–2 mm; style head bearded; cleistogamous flowers absent. |
sepals lanceolate, margins ciliate, auricles 0.5–1.5 mm; petals white adaxially, upper 2 and sometimes lower 3 deep reddish violet abaxially, all with yellow area basally, lateral 2 with purple patch basally distal to smaller yellow area, bearded, lowest with yellow patch basally, purple-veined, 5–15 mm, spur yellow or greenish, gibbous, 1–2.5 mm; style head bearded; cleistogamous flowers axillary. |
Capsules | ellipsoid, 4–12 mm, glabrous. |
spherical to spherical-ovoid, 5–11 mm, minutely scabrous. |
Seeds | light brown, shiny, 3.2–3.5 mm. |
brown-purple, ca. 2 mm. |
2n | = 60, 72. |
= 12. |
Viola hallii |
Viola ocellata |
|
Phenology | Flowering Apr–Jul. | Flowering Mar–Jul. |
Habitat | Open forests, grassy hills, chaparral, frequently serpentine or gravelly soil | Rocky areas, grassy banks, thickets, often on serpentine soil |
Elevation | 500–2100 m (1600–6900 ft) | 100–1100 m (300–3600 ft) |
Distribution |
CA; OR
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CA; OR
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Discussion | Viola hallii was discovered on the grounds of Willamette University in Salem, Oregon, by Elihu Hall, a professor at that institution (V. B. Baird 1942). Leaves of V. hallii are similar to V. beckwithii. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 6, p. 133. | FNA vol. 6, p. 140. |
Parent taxa | Violaceae > Viola | Violaceae > Viola |
Sibling taxa | ||
Name authority | A. Gray: Proc. Amer. Acad. Arts 8: 377. (1872) | Torrey & A. Gray: Fl. N. Amer. 1: 142. (1838) |
Web links |