Dioscorea orangeana Wilkin

Species

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea

Characteristics

A yam. It is a twining vine. It can grow 5 m long. It grows from a fleshy tuber. The tuber can be 20 cm across. The leaves are broad and almost kidney shaped. The edges of the leaves are wavy. They are 2-6 cm long by 1-6 cm wide.
Life form annual
Growth form herb
Growth support climber
Foliage retention -
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

It is a tropical plant. It grows in dry sclerophyllous forests on limestone and sand.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible roots tubers
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 orangeana world distribution map, present in Madagascar

Conservation status

Dioscorea orangeana threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:77102785-1
WFO ID wfo-0000912231
COL ID 36D2C
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dioscorea orangeana