Dioscorea japonica var. japonica Prain & Burkill

Variety

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea > Dioscorea japonica

Characteristics

Plants glabrous throughout. Petiole 2--4(--6) cm; leaf blade triangular-lanceolate or lanceolate to long elliptic, 3--11(--19) × (1--)2--5(--18) cm, membranous, basal veins 5--9, base sagittate or hastate to cordate, apex acuminate.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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) 6-11

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 21 - 36
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Dioscorea japonica var. japonica world distribution map, present in China, Japan, Korea (Democratic People's Republic of), and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:77170049-1
WFO ID wfo-0000391401
COL ID 7LQ3D
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dioscorea fauriei Dioscorea goeringiana Dioscorea kiangsiensis Dioscorea belophylloides Dioscorea japonica var. japonica