Gnetum africanum Welw.

African jointfir (en)

Species

Gymnosperms > Gnetales > Gnetaceae > Gnetum

Characteristics

A woody climber. It can be 10 m long. The branches are thickened at the nodes. It is an evergreen plant. Plants are separately male and female. The leaf stalks are 1 cm long. The leaves are narrowly oval and opposite. They are simple. They taper to a short tip. They are 10-13 cm long by 4-5 cm wide. The male flowering shoot has male flowers close together and evenly spaced. The female flowering shoots have 2-3 flowers at each node and are 2 mm long. The seeds are fleshing and 10-15 mm long by 4-8 mm wide They have a fleshy envelope around them that turned orange or red when ripe.
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A dioecious liane
Life form -
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 12.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Understorey layer of humid tropical rainforests, mostly at the periphery of primary forest and in secondary forest. Thrives in a wide range of habitats, including farm fallows or abandoned farmland, secondary forests, and closed forest.
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It is a tropical plant. It grows in the rain-forest in West Africa. It can be found from sea level to 1,200 m above sea level. It grows in areas with a rainfall of about 3,000 mm. It needs shade to grow well.
In forest.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-12

Usage

The young leaves are eaten raw or cooked and are also used in sauces. The leaves can be tough and can be softened with leaves such as Talinum. The leaves can be shredded and dried and stored for later use. The seeds and fruit are eaten. They can be stored for 8 months or longer.
Uses food gene source material medicinal
Edible fruits leaves nuts saps seeds stems tubers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Seeds are hard to get to grow. Germination can take 12 months. Leafy stem cuttings can be used.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Gnetum africanum unspecified picture

Distribution

Gnetum africanum world distribution map, present in Angola, Central African Republic, Congo, and Gabon

Conservation status

Gnetum africanum threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:383499-1
WFO ID wfo-0000795564
COL ID 6KN9P
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Gnetum africanum Thoa africana