Viola bulbosa Maxim.

Species

Angiosperms > Malpighiales > Violaceae > Viola

Characteristics

Herbs perennial, dwarf, shortly caulescent, 2.5-4.5 cm tall. Rhizome erect, long, slender, with numerous underground stolons and a small bulb in lower part; bulb 5-6 mm in diam., consisting of 4-6, white, fleshy boat-shaped scales, with numerous fibrous roots in lower part. Leaves clustered at apex of stem; stipules 1-1.4 cm, only 1/3 adnate to petioles, free part linear-lanceolate, ciliate or glabrous, apex acute; petiole narrowly winged, usually shorter than or subequaling blade, puberulous; leaf blade oblong-ovate, suborbicular or reniform, 1-2.5 cm × 5-14 mm, glabrous, or white puberulous abaxially particularly on young leaves, base cuneate or narrowly cordate, margin serrate or crenate, apex rounded or sometimes acute. Flowers white, small; pedicels produced from leaf axils of stem, usually slightly exceeding or subequaling leaves, 2-bracteolate above middle; bracteoles linear. Sepals ovate or oblong, 3-4 × 1.2-1.5 mm, apex acute, basal auricles orbicular, short, glabrous or ciliate. Petals obovate, lateral ones 8-10 mm, glabrous or bearded, anterior one 7-8 mm, purple-violet striate, apex emarginate; spur saccate, short, 1.2-1.7 mm, stout, ca. 2 mm in diam., apex obtuse; anthers ca. 2.5 mm (appendage of connectives included); spur of 2 anterior stamens short, stout, apex obtuse and slightly curved. Ovary glabrous; styles slightly geniculate at base, slightly thickened upward; stigmas triangular, slightly thickened and narrowly margined on lateral sides and abaxially, apex conspicuously beaked, beak short, nearly erect, stigma hole nearly as large as beak. Capsule ovoid. Fl. May-Jun, fr. Jun-Sep. 2n = 24.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.05
Root system fibrous-root 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 bulbosa world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:867799-1
WFO ID wfo-0001145107
COL ID 5BGGY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Viola bulbosa Viola filifera Viola bulbosa var. franchetii Viola tuberifera var. pseudopalustris

Lower taxons

Viola bulbosa subsp. tuberifera