Viola trinervata (Howell) Howell ex A.Gray

Sagebrush violet (en)

Species

Angiosperms > Malpighiales > Violaceae > Viola

Characteristics

Plants perennial, caulescent, not stoloniferous, 5–15 cm. Stems 1–4, decumbent, ascending, or erect, ca. 1/2 subterranean, glabrous, from single, vertical, deep-seated caudex. Leaves basal and cauline; basal: 1–7, palmately compound, leaflets 3–5; stipules adnate to petiole, forming 2 linear-lanceolate wings, unlobed, margins entire, apex of each wing free, acute; petiole 4.5–15 cm, glabrous; blade reniform or ovate to ± orbiculate, 2–5 × 2.5–5 cm, coriaceous, base tapered, leaflets cleft or dissected into 2–3 elliptic, lanceolate, or oblanceolate lobes 2–7 mm wide, margins usually entire, eciliate, apex acute, mucronulate, surfaces glabrous (± glaucous), abaxial surface usually with prominent vein parallel to each margin; cauline similar to basal except: stipules lanceolate; petiole 1–5.5 cm; blade 1–3 × 2–4.5 cm. Peduncles 1.1–7 cm, glabrous. Flowers: sepals lanceolate, margins eciliate, auricles 0–1 mm; petals: upper 2 often overlapping, dark reddish violet on both surfaces, lower 3 lilac, rarely white, lateral 2 bearded, with yellow patch basally and reddish violet patch distal to yellow patch, lowest 9–15 mm with yellow patch, dark reddish violet-veined, spur yellow, gibbous, 0.6–1.5 mm; style head bearded; cleistogamous flowers absent. Capsules ovoid, 7–12 mm, glabrous. Seeds tan, 3.2–4.5 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.15
Root system -
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

Viola trinervata unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:267023-2
WFO ID wfo-0001144703
COL ID 5BHQB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Viola trinervata Viola beckwithii var. trinervata Viola chrysantha var. glaberrima