Dioscorea kjellbergii R.Knuth

Species

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea

Characteristics

Lower parts unknown. Inflorescence thinly hairy and a few hairs on the leaves. Stem terete in its distal parts, to 5 mm in diam., unarmed, firm in texture, glabrous except in the leaf-axils. Leaves at the horizon of flowering to 11 by 9 cm (assuredly larger at a lower horizon), very shortly acuminate, 7-nerved with firm margins; the secondary nerves ladder-like; petiole to 5 cm. Male flowering axes solitary from upper leaf-axils or on very short leafless branches, 10-20 cm, carrying 20-30 flowers which are directed slightly forward; axis angled. Bracts ovate, acute, ½ mm long. Pedicel 1-2 mm, with scattered hairs, with a bracteole in its lower part. Funnel-shaped perianthoid torus-tube nearly 1 mm deep; tepals long-deltoid ½ mm long. Stamens inserted just below the perianth lobes; anthers conspicuously exserted, opening upwards. Capsules (teste R. KNUTH) on axes to 60 cm long, in a slightly immature state 40 by 12½-17½ mm.
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

Rainforest at sea-level, fl.--08 and with not quite mature fr.
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 kjellbergii world distribution map, present in Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:318141-1
WFO ID wfo-0000391632
COL ID 36CTL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dioscorea kjellbergii