Dioscorea warburgiana Uline ex Koord.

Species

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea

Characteristics

Underground parts unknown. Plant glabrous. Stem unarmed in the upper parts, probably throughout, smooth. Bulbils none seen. Leaves at the horizon of flowering opposite, almost coriaceous, elliptic-ovate, to 17 by 10 cm, shortly acuminate, 7-nerved, the outermost nerves weak and sub-marginal; upper surface with the nerves distinct, the secondary tending to break up in the network; petiole short, to 5 cm or ⅓ to ¼ the length of the lamina. Male flowering axes, as far as seen, in fascicles in the leaf-axils, unusually long, to 20 cm, bearing about 80 flowers spaced at rather more than their own diameters apart, conspicuously angled. Buds globose, to ½ mm long. Female flowers unknown. Capsules broad, wings 22 by 22 mm, on a stipe 6-7 mm long.
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

Fl. irregularly; flowers benzoin-scented.
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) 21 - 36
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Dioscorea warburgiana world distribution map, present in Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:318790-1
WFO ID wfo-0000396724
COL ID 36DFK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dioscorea warburgiana Dioscorea celebesiana