Flora of North America species comparison

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Viola sagittata

arrow-leaf violet, arrowhead violet
Habit Plants perennial, acaulescent, not stoloniferous, 5–50 cm; rhizome thick, fleshy.
Leaves

basal, 4–8, ascending to erect;

stipules linear-lanceolate, margins entire, apex acute;

petiole 2–13 cm, glabrous or pubescent;

middle and lateral blade lobes differ in width and/or shape, earliest blades ovate to elliptic, mid-season blades ovate, elliptic, narrowly elliptic to narrowly deltate, 1–8 × 1–5 cm, incised or lobed at base only, base sagittate or hastate, truncate, attenuate, or ± cordate, margins crenate or serrate, ciliate or eciliate, apex acute, surfaces glabrous or pubescent.
Peduncles

3–15 cm, glabrous or pubescent.
Flowers

sepals lanceolate to ovate, margins ciliate or eciliate, auricles 2–3 mm;

petals light to dark violet on both surfaces, lower 3 white basally, lowest dark violet-veined, lateral 2 densely bearded, spur on lowest petal occasionally bearded, lowest 10–15 mm, spur light to dark violet, gibbous, 2–3 mm;

style head beardless; cleistogamous flowers on prostrate, ascending, or erect peduncles.
Capsules

ellipsoid, 10–14 mm, glabrous.
Seeds

beige, mottled to bronze, 1.3–2.5 mm.

Viola sagittata
Distribution
from FNA
AL; AR; CT; DC; DE; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; NH; NJ; NY; OH; OK; PA; RI; SC; TN; TX; VA; VT; WI; WV; NB; NS; ON; PE; QC
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[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Mid-season leaf blades: base sagittate, hastate, or ± cordate, surfaces glabrous or sparsely pubescent; sepal margins eciliate.
var. sagittata
1. Mid-season leaf blades: base truncate, attenuate, slightly sagittate or hastate, or ± cordate, surfaces usually densely pubescent; sepal margins ciliate.
var. ovata
Source FNA vol. 6, p. 155.
Parent taxa 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. 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, V. walteri
Subordinate taxa
V. sagittata var. ovata, V. sagittata var. sagittata
Name authority Aiton: Hort. Kew. 3: 287. (1789)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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