Dioscorea burchellii Baker

Species

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea

Characteristics

Dioecious climber, 1-2 m high; tuber with up to 4 horizontal branches, blackish brown. Leaves petiolate, ovate to narrowly ovate, 44 x 8 mm, 5-7-veined, base shallowly cordate, apex aristate, ± 1 mm long, margins entire. Male inflorescences: racemes single, ± 30 mm long, pendent. Male flowers ± 12; perianth creamy white, saucer-shaped, rotate; filaments attached to lobes of perianth, white, incurved; anthers introrse, yellow; pistillode vestigial. Female inflorescences spicate, ± 30 mm long. Female flowers: buds globular; perianth greenish white, cup-shaped; staminodes rudimentary; ovary inferior, crowned with persistent perianth; style branches 3; stigmatic surfaces flared. Flowering time Feb.-June. Fruit a capsule, 28 x 14 mm, with straw-coloured sheen.
More
Perennial vine with branched tuber, stems twisting to the left, ribbed and warty, to 2 m. Leaves lanceolate to sagittate. Male flowers in nodding racemes, female flowers in nodding spikes, cream-coloured.
Life form
Growth form
Growth support climber
Foliage retention -
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-6
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 burchellii world distribution map, present in South Africa

Conservation status

Dioscorea burchellii threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:317757-1
WFO ID wfo-0000389468
COL ID 36CFZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dioscorea burchellii