Dioscorea koyamae Jayas.

Species

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea

Characteristics

A yam. The stem is angular and up to 10 m long. There are prickles but no leaves for the first 4 m of the stem. The prickles are 2 mm long. The leaves are alternate and the blade is sword shaped to oval. They can be 7-12 cm long by 3-8 cm wide. It has a single tuber which is usually straight and unbranched. It can be 1.5 m long and 5 cm across.
Life form annual
Growth form herb
Growth support -
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.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses medicinal
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 -

Identifiers

LSID urn:lsid:ipni.org:names:939894-1
WFO ID wfo-0000391703
COL ID 6D8TW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dioscorea koyamae