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FNA | Family List | FNA Vol. 6 | Violaceae | Viola

50. Viola pubescens Aiton, Hort. Kew. 3: 290. 1789.

Crocion pubescens (Aiton) Nieuwland & Kaczmarek

Plants perennial, caulescent, not stoloniferous, 10–45 cm. Stems 1–3+, ascending to erect, leafless proximally, leafy distally, glabrous or puberulent, from subligneous rhizome. Leaves basal and cauline; basal: 0–4; stipules ovate to lanceolate, margins entire, coarsely toothed, or crenate, apex acute or obtuse; petiole 2.7–19.6 cm, lanceolate, margins ciliate or eciliate, auricles 0.1–0.5 mm; petals lemon-yellow on both surfaces, lower 3 brownish purple-veined, lateral 2 and sometimes others, bearded, lowest 8–18 mm, spur yellow to greenish, gibbous, 1–2.5 mm; style head bearded; cleistogamous flowers axillary. Capsules ellipsoid, 8–12(–20) mm, glabrous or tomentose. Seeds brown, 1.8–3 mm. 2n = 12.

Varieties 2 (2 in the flora): c, e North America.

Viola pubescens is similar in overall appearance to V. glabella.

1 Stems 1–2, puberulent; basal leaves 0(–1), surfaces usually puberulent.   50a Viola pubescens var. pubescens
+ Stems (2–)3+, glabrous or puberulent; basal leaves 0–4, surfaces glabrous, sometimes sparsely strigose.   50b Viola pubescens var. scabriuscula

Lower Taxa


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