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Adansonia digitata (baobab)

Baobab, Africa’s iconic ‘upside-down’ tree, is pollinated by bats and bushbabies.

Adansonia digitata (baobab)

Adansonia digitata (baobab)

Species information

Scientific name: 

Adansonia digitata L.

Common name: 

baobab

Conservation status: 

Least Concern (LC) according to IUCN Red List criteria; widespread and locally common.

Habitat: 

Dry bushland, woodland, wooded grassland; often left standing in cultivated areas.

Key Uses: 

Foodstuff, medicine, rope-making, basketry.

Known hazards: 

None known.

Taxonomy

Sub class: 
Superorder: 
Rosanae
Order: 
Malvales
Family: 
Malvaceae
Genus: Adansonia

About this species

Widespread and common, baobab is a defining icon of African bushland and can grow to an old age. Radiocarbon dating of a baobab in Namibia indicated an age of about 1,275 years, making this the oldest known tree within the angiosperms (flowering plants). All parts of the tree are used by local people, to whom baobab has great social and economic importance.

Common trade routes were often based on the baobab trees growing along the way, and each tree even had its own name. The large, white flowers are pollinated by bats and bushbabies. Elephants often gouge the trunks of baobabs to get at the water inside and can damage mature trees.

Genus: 
Adansonia

Discover more

Geography & Distribution

Adansonia digitata is widespread in the drier parts of tropical and southern Africa, from Mauritania in the northwest to Sudan in the northeast, and south to South Africa. It is also found in the Arabian Peninsula.

Description

Adansonia digitata (baobab) watercolour

Watercolour of Adansonia digitata

Overview: A massive, deciduous tree with a trunk that can grow to an immense girth. The bark is smooth.

Leaves: Borne at the ends of branches, leaves are usually divided into 5‒7 leaflets attached to a central point.

Flowers: Large (up to 20 cm in diameter), white and pendent on long stalks. Each flower has five free petals and many stamens (male parts).

Fruit: More or less cylindrical and up to 35 cm long and 13 cm wide. Each fruit is filled with mealy pulp containing many small, dark brown seeds, each about 1 cm long and wide. The seeds have a reddish-black seed coat.

Uses

Adansonia digitata (baobab)

Adansonia digitata (baobab)

An important indigenous fruit tree, the fruit pulp (rich in vitamin C) is eaten on its own or mixed in porridge and is also used for making soft drinks. Seeds are used as a thickener for soups, and leaves are eaten as a vegetable or in soups.

Fibres from the inner bark are used to make rope and string for basketry, as well as for making beehives. Trunks that have been hollowed by lightning or by humans have been employed imaginatively as a pub, toilet, prison and bus stop. In western Sudan, the trunks were used as water containers. The roots produce a dye.

Roots, bark, leaves, fruits and seeds are used medicinally for an enormous range of ailments, among the more common of which are iron deficiency, digestive system disorders, infections and skin disorders. Baobab is used in both human and veterinary treatments.

Baobab also has some perceived magical uses. For example, it is said that a decoction of the seeds will protect you against crocodiles and that flowers are inhabited by spirits.

Millennium Seed Bank: Seed storage

The Millennium Seed Bank Partnership aims to save plant life worldwide, focusing on plants under threat and those of most use in the future. Seeds are dried, packaged and stored at a sub-zero temperature in our seed bank vault.

Seven collections of Adansonia digitata are held in Kew’s Millennium Seed Bank based at Wakehurst in West Sussex.

See Kew’s Seed Information Database for further information on Adansonia digitata seeds.

Cultivation

Adansonia digitata (baobab)

Adansonia digitata

Baobab seeds germinate readily, but seedlings can take a long time to become established, and it may take 16‒23 years until a tree produces its first flowers.

This species at Kew

Alcohol-preserved specimens of Adansonia digitata are held in Kew’s Herbarium, where they are available to researchers by appointment. The details of some of these specimens can be seen online in Kew’s Herbarium Catalogue.

Specimens of baobab are held in Kew’s Economic Botany Collection in the Sir Joseph Banks Building, where they are available to researchers by appointment.

References and credits

References and credits

Beentje, H. J. (1989). Bombacaceae. In: Flora of Tropical East Africa, ed. R. M. Polhill. Balkema, Rotterdam.

Beentje, H. J. (1994). Kenya Trees, Shrubs and Lianas. National Museums of Kenya, Nairobi.

Coates Palgrave, K. (2002). Trees of Southern Africa, 3rd Edition. Struik, Cape Town, Johannesburg.

Patrut, A., von Reden, K. F., Lowy, D. A., Alberts, A. H., Pohlman, J. W., Wittmann, R., Gerlach, D., Li, Xu & Mitchell, C. S. (2007). Radiocarbon dating of a very large African baobab. Tree Physiology 27: 1569–1574.

Sacande, M., Ronne, C., Sanon, M. D. & Joker, D. (2006). Adansonia digitata L.: Seed Leaflet 109. Forest & Landscape Denmark, Denmark.

Wickens, G. E. & Lowe, P. (2008). The Baobabs: Pachycauls of Africa, Madagascar and Australia. Berlin, Germany; New York, NY: Springer.

Kew Science Editor: Henk Beentje
Copyediting: Emma Tredwell

Although every effort has been taken to ensure that the information contained in these pages is reliable and complete, notes on hazards, edibility and suchlike included here are recorded information and do not constitute recommendations. No responsibility will be taken for readers’ own actions. Full website terms and conditions.

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