Welwitschia mirabilis Hook.F.

Species

Gymnosperms > Gnetales > Welwitschiaceae > Welwitschia

Characteristics

A shrub. It has a taproot. It has a fat trunk. It grows 2 m tall. The trunk is dark grey and cracked. There are 2 leaves growing on either side of the trunk. They are thick and leathery. The flower is a cone. Male and female cones are on separate plants. The seeds are 7 mm long by 5 mm wide and 2 mm dep. The mature seed has wings. A female plant can have 100-200 cones each with 100 seeds.
Life form perennial
Growth form
Growth support free-standing
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway cam

Environment

It is a subtropical plant. It grows in hot arid places. It grows in areas with an annual rainfall below 200 mm. It grows in deep soils often over limestone. It grows between 30-150 m above sea level. It can resist wind. It is resistant to drought. It can grow in arid places.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

The flowers are eaten raw and also in vegetable dishes. The fresh green cones especially from female plants are eaten after rains by roasting in ashes or eating them raw.
Uses animal food environmental use food gene source medicinal
Edible flowers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed but need moisture to overcome the germination inhibitor.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Welwitschia mirabilis habit picture by Daniel Barthelemy (cc-by-nc)
Welwitschia mirabilis habit picture by Daniel Barthelemy (cc-by-nc)
Welwitschia mirabilis habit picture by Daniel Barthelemy (cc-by-nc)

Flower

Welwitschia mirabilis flower picture by Angela Mühlpfordt (cc-by-sa)
Welwitschia mirabilis flower picture by Daniel Barthelemy (cc-by-nc)
Welwitschia mirabilis flower picture by Daniel Barthelemy (cc-by-nc)

Fruit

Welwitschia mirabilis fruit picture by Daniel Barthelemy (cc-by-nc)

Distribution

Welwitschia mirabilis world distribution map, present in Angola and Namibia

Identifiers

LSID urn:lsid:ipni.org:names:383591-1
WFO ID wfo-0000801450
COL ID 5BX2Q
BDTFX ID 122714
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Welwitschia bainesii Tumboa bainesii Welwitschia mirabilis subsp. mirabilis Welwitschia mirabilis subsp. namibiana Welwitschia mirabilis