Dioscorea grata Prain & Burkill

Species

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea

Characteristics

Underground parts unknown. Plant glabrous. Stem possibly armed at the base, thin. Bulbils none seen. Leaves alternate, rather firm, linear-lanceolate above a very slightly cordiform base, tapering evenly to the apex, 8 by 0,8 cm, 5-nerved; petiole only 1½ cm long, slender. Male flowering axes solitary or a small number along weak leafless branches which scarcely exceed the length of the axillant leaves; axis slightly angled, to 2½ cm in length, with about 20 flowers spaced their own diameter apart. Buds subglobose over a broad base, less than 1 mm long. Female flowering axis short, giving rise to few capsules. Capsules with the apex truncate, base obtuse, wings 20 by 15 mm; stipe 3 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

In New Guinea in Agathis-forest at 300 m.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

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 grata world distribution map, present in Malaysia, Philippines, and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:318026-1
WFO ID wfo-0000390803
COL ID 36CQ2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dioscorea grata