Dioscorea merrillii Prain & Burkill

Species

Angiosperms > Dioscoreales > Dioscoreaceae > Dioscorea

Characteristics

Underground parts unknown. Stem presumedly armed at the base, wiry, faintly ridged. Bulbils none seen. Leaves opposed, rather coriaceous, long-ovate, sometimes just cordiform at the base, otherwise rounded, shortly acuminate, to 12 by 5 cm; petiole to 5 cm. Male flowering axes 1-2 together, aggregated on leafless branches which as far as known are more lax and shorter than those of D. nummularia and D. divaricata; parts of the branch carry hairs thinly scattered which do not extend onto the axes that carry the flowers; hairs of the stiletto type; axes of the spikes to 4 cm long with flowers spaced about their own diameter apart. Buds nearly globose above their broad base, 1 mm long. Female plant unknown.
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

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses medicinal social use
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 merrillii world distribution map, present in Malaysia and Philippines

Identifiers

LSID urn:lsid:ipni.org:names:318261-1
WFO ID wfo-0000392418
COL ID 36CXC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dioscorea merrillii