Viola nagasawae Makino & Hayata

Species

Angiosperms > Malpighiales > Violaceae > Viola

Characteristics

Herbs perennial, acaulescent, with slender stolon. Rhizome erect, brownish, slender. Stolon with clustered leaves at top. Leaves basal, rosulate; stipules subulate, ca. 7 mm, margin erose, long fimbriate; petiole ca. 3 cm, slender, sparsely spreading puberulous; leaf blade ovate, elliptic, triangular-ovate to lanceolate, 1-1.5 × 0.8-1 cm, abaxially glabrous or hairy, adaxially with sparse white stiff hairs, base shallowly cordate, margin 8-10-crenate and ciliate, apex obtuse. Flowers purplish, small; pedicels produced from axils of basal leaves and those of leaves on stolon, much exceeding leaves, 8-10 cm, slender, 2-bracteolate at middle; bracteoles subopposite, linear, 5-7 mm, minutely ciliate. Sepals linear-lanceolate, 4-5 mm, margin sparsely fimbriate-ciliate or glabrous, basal auricles short. Petals obovate, upper ones subequaling lateral ones, 9-11 × ca. 4.5 mm, lateral petals glabrous or bearded, anterior petal oblong, ca. 7.5 mm (spur included), apex acuminate; spur short, ca. 1.5 mm; spur of 2 anterior stamens oblong, ca. 1.5 mm, nearly as broad as anthers. Ovary ovoid, glabrous; styles nearly erect, slender at base; stigmas slightly 2-lobed, lobes narrow and slightly thick, slightly raised in central part, shortly beaked in front. Capsule ca. 5 mm.
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 nagasawae world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:868748-1
WFO ID wfo-0001145189
COL ID 5BGBD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Viola nagasawae Viola acutilabella Viola nagasawae var. nagasawae Viola nagasawai var. acutilabella Viola diffusa var. nagasawai