Viola lactiflora Nakai

Species

Angiosperms > Malpighiales > Violaceae > Viola

Characteristics

Herbs perennial, acaulescent, 10-18 cm tall. Rhizome erect or obliquely ascending, slightly robust, shortly and densely noded, with several, scattered, long, yellowish roots. Leaves numerous, basal; stipules conspicuous, greenish or brownish, submembranous, adnate to petiole above middle, free part linear-lanceolate, ca. 4 mm wide, margin remotely denticulate or entire; petiole 1-6 cm, wingless, those of lower leaves shorter, those of upper leaves longer; leaf blade narrowly triangular or oblong, those of lower leaves 2-3 × 1.5-2.5 cm, those of upper leaves 4-5 × 1.5-2.5 cm, both surfaces glabrous, veins conspicuously raised abaxially, base shallowly cordate or truncate, sometimes slightly hastate, margin obtusely crenate, apex obtuse. Flowers white, medium-sized, 1.5-1.9 cm; pedicels not or slightly exceeding leaves, 2-bracteolate at or above middle; bracteoles linear. Sepals ovate-lanceolate or lanceolate, 5-7 mm, apex acuminate, basal auricles short and conspicuous, margin narrowly membranous, 3-veined, margin obtusely dentate or entire, apex truncate. Petals obovate, lateral ones distinctly bearded, anterior one broader, apex not emarginate; spur cylindric, 4-5 mm, ca. 3 mm in diam., apex rounded. Anthers ca. 2 mm, subequaling appendage of connectives; spur of 2 anterior stamens shortly angular, ca. 2.5 mm, apex gradually smaller. Ovary glabrous; styles clavate, base slender, slightly geniculate forward, gradually thickened upward; stigmas slightly thickened on lateral sides and abaxially and narrowly margined, shortly beaked in front, with a smaller stigma hole at tip of beak. Capsule ellipsoid, 6-9 mm, glabrous, apex often with persistent styles. Seeds brownish, ovoid-globose, ca. 1.5 mm, glabrous. Fl. Mar-Apr. 2n = 48.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.18
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-10

Usage

Uses medicinal
Edible -
Therapeutic use Tumor (unspecified)
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 lactiflora world distribution map, present in China, Japan, and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:868487-1
WFO ID wfo-0001144436
COL ID 5BGZB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Viola lactiflora Viola limprichtiana