Viola duclouxii W.Becker

Species

Angiosperms > Malpighiales > Violaceae > Viola

Characteristics

Herbs perennial, acaulescent, with stolons. Rhizome short, 2-4 cm, stout, 2-3 mm in diam., densely noded, often with brown remains of stipules. Stolon to 20 cm, internodes longer, producing rootlets at nodes. Leaves basal; stipules brown, lanceolate, 8-10 mm, margin long or sparsely fimbriate; petiole 1.5-12 cm, glabrous; leaf blade abaxially gray-green, adaxially deep green, broadly ovate or suborbicular, 1.5-4 × 1.3-3.5 cm, dotlike brown glandular, abaxially glabrous, adaxially sparsely puberulous and scabrous, base deeply cordate, margin densely and shallowly rounded-serrate, apex obtuse; leaves in stolons smaller. Flowers white; pedicels 2-2.5 cm, glabrous, 2-bracteolate at middle; bracteoles subopposite, linear, margin entire. Sepals linear-lanceolate, ca. 3 × 1.2 mm, puberulous or nearly glabrous when mature, basal auricles ca. 1 mm, apex acute. Upper petals spatulate, ca. 7 × 4 mm, lateral ones spatulate, ca. 8 × 3 mm, glabrous, anterior one oblong, ca. 9 × 3 mm; spur ca. 1 mm, ca. 5 mm in diam. Capsules ovoid, 5-6 mm. Seeds globose, ca. 1.2 mm in diam. Fl. Mar-Apr, fr. Aug-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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 -

Distribution

Viola duclouxii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:868072-1
WFO ID wfo-0001221327
COL ID 5BGP9
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Viola duclouxii