Viola pinetorum Greene

Goosefoot yellow violet (en)

Species

Angiosperms > Malpighiales > Violaceae > Viola

Characteristics

Plants perennial, caulescent, not stoloniferous, 3–18 cm, cespitose or not. Stems 1–3, prostrate or erect, leafy proximally and distally, puberulent or canescent to gray-tomentose, sometimes glabrous, on caudex from subligneous rhizome. Leaves basal and cauline; basal: 1–4; stipules adnate to petiole forming 2 linear-lanceolate wings, margins entire or laciniate, apex of each wing free, tips usually filamentous; petiole 2.3–9.5 cm, puberulent or canescent; blade purple-tinted abaxially or not, usually linear to narrowly lanceolate, oblanceolate or obovate, or lanceolate-elliptic, rarely ovate, 1.3–5 × 0.3–2.5 cm, base attenuate, margins usually lacerate, dentate, or serrate, sometimes entire, usually undulate, ciliate, apex acute, mucronulate, surfaces puberulent to canescent or gray-tomentose; cauline similar to basal except: stipules lanceolate, oblanceolate, or linear-oblong, margins entire or lacerate, apex acute to acuminate; petiole 0.9–8.3 cm; blade 2.8–9.6 × 0.3–1.4 cm, length 4–11 times width. Peduncles 2.9–11.5 cm, puberulent or canescent. Flowers: sepals lanceolate, margins ciliate, auricles 0.5–1 mm; petals deep lemon-yellow adaxially, upper 2 red-to purple-brown abaxially, lower 3 dark brown-veined, lateral 2 bearded, lowest 5–12 mm, spur color same as petals, gibbous, 1.5–3 mm; style head bearded; cleistogamous flowers axillary. Capsules ovoid, 3.5–7 mm, puberulent. Seeds medium to dark brown, 2–3.5 mm. 2n = 12.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.18
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 21
Germination temperacture (C°) 18 - 23
Germination luminosity dark
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Viola pinetorum flower picture by Jim Conroy (cc-by-sa)

Distribution

Viola pinetorum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:266844-2
WFO ID wfo-0001144822
COL ID 5BHCQ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Viola pinetorum Viola pinetorum subsp. pinetorum Viola purpurea subsp. xerophyta Viola purpurea var. pinetorum

Lower taxons

Viola pinetorum subsp. grisea Viola pinetorum var. grisea