1. Naming and description

2. Habit and physical description

3. Range

4. Longevity

5. Food
     Leaves and seed    For export  

6. Legends and myths

7. Conservation status and threats

8. Prominent specimens

9. Notes

10. References

11. External links

• Adansonia baobab Gaertn.
• Adansonia integrifolia Raf.
• Adansonia scutula Steud. Syno
• Adansonia situla (Lour.) Spreng.
• Adansonia somalensis Chiov.
• Adansonia sphaerocarpa A.Chev.
• Adansonia sulcata A.Chev.
• Baobabus digitata (L.) Kuntze
• Ophelus sitularius Lour.

Common names for the baobab include dead-rat tree (from the appearance of the fruit{{Citation needed|reason=The fruit looks nothing like dead rats, covertly negative potential, needs historical reference, otherwise please post in the urban dictionary|date=March 2019}}), monkey-bread tree (the soft, dry fruit is edible), upside-down tree (the sparse branches resemble roots) and cream of tartar tree (cream of tartar).

Naming and description

The vernacular name "baobab" is derived from Arabic بو حِباب (būħibāb), which means "father of many seeds". The scientific name Adansonia refers to the French explorer and botanist, Michel Adanson (1727–1806), who observed a specimen in 1749 on the island of Sor, Senegal.^[5] On the nearby Îles des Madeleines Adanson found another baobab, 3.8 m in diameter, which bore the carvings of passing mariners on its trunk, including those of Henry the Navigator in 1444 and André Thevet in 1555.^[6] When Théodore Monod searched the island in the 20th century, the tree was not to be found however. Adanson concluded that the baobab, of all the trees he studied, “is probably the most useful tree in all.” He consumed baobab juice twice a day, while in Africa. He remained convinced that it maintained his health for him.^[7] "Digitata" refers to the digits of the hand. The baobab's compound leaves with normally five (but up to seven) leaflets are akin to a hand.^[8]

Habit and physical description

The trees usually grow as solitary individuals, and are large and distinctive elements of savannah or scrubland vegetation. Some large individuals live to well over a thousand years of age.^[9] All baobab trees are deciduous, losing their leaves in the dry season, and remain leafless for nine months of the year.

They can grow to between {{convert|5–25|m|abbr=on}} in height. They are in fact known both for their height and trunk's girth. The trunk tends to be bottle-shaped and can reach a diameter of {{convert|10–14|m|abbr=on}}.^[10] The span of the roots actually exceed the tree's height, a factor that enables it to survive in a dry climate. Many consider the tree to be “upside-down” due to the trunk likeness to a taproot and the branches akin to finer capillary roots. The trunk is smooth and shiny^[11] and can range from being reddish brown to grey. The bark can feel cork-like.^[7] The branches are thick and wide and very stout compared to the trunk.

During the early summer (October to December in southern hemisphere)^[12] the tree bears very large, heavy, white flowers. These are {{convert|12|cm|abbr=on}} across and open during the late afternoon to stay open for one night.^[4][10] The pendulous, showy flowers have a very large number of stamens. They have a sweet scent but later emit a carrion smell, especially when they turn brown and fall after 24 hours.^[4][10] Researchers have shown that they appear to be primarily pollinated by fruit bats of the subfamily Pteropodinae. The flowers have 5 petals that are leathery and hairy on the inside. The sepals are cup-shaped and 5-cleft. The stamens are divided into multiple anthers and styles are 7-10 rayed.

The indehiscent fruit are large, egg-shaped capsules.^[4] They are filled with pulp that dries, hardens, and falls to pieces which look like chunks of powdery, dry bread.^[13] The seed are hard, black and kidney-shaped.^[4]

Range

The northern limit of its distribution in Africa is associated with rainfall patterns; only on the Atlantic coast and in the Sudan does its occurrence venture naturally into the Sahel. On the Atlantic coast, this may be due to spreading after cultivation. Its occurrence is very limited in Central Africa, and it is found only in the very north of South Africa. In Eastern Africa, the trees grow also in shrublands and on the coast. In Angola and Namibia, the baobabs grow in woodlands, and in coastal regions, in addition to savannahs. It is also found in Dhofar region of Oman and Yemen in the Arabian Peninsula, Western Asia. This tree is also found in India, particularly in the dry regions of the country,^[14] and in Penang, Malaysia, along certain streets.^[15]

The baobab is native to most of Africa, especially in drier, less tropical climates. It is not found in areas where sand is deep. It is sensitive to water logging and frost.^[16] More specifically: Mauritania, Senegal, Guinea, Sierra Leone, Mali, Burkina Faso, Ghana, Togo, Benin, Niger, Nigeria, n-Cameroon, Chad, Sudan, Congo, DR Congo (Zaire), Eritrea, Ethiopia, s-Somalia, Kenya, Tanzania, Zambia, Zimbabwe, Malawi, Mozambique, Angola, São Tomé, Príncipe isl., Annobon isl., Java (introduced), Nepal (introduced), Sri Lanka (introduced), Philippines (introduced), Jamaica (introduced), South Africa (Transvaal), Namibia, Botswana, Puerto Rico (introduced), Haiti (introduced), Dominican Republic (introduced), Venezuela (introduced), Seychelles (introduced), Madagascar (introduced), Comores (introduced), India (introduced), sw-Yemen, Oman (Dhofar), China (introduced), Guangdong (introduced), Fujian (introduced), Yunnan (introduced).^[17]

Longevity

Food

The baobab is a traditional food plant in Africa, but is little-known elsewhere. The fruit has been suggested to have the potential to improve nutrition, boost food security, foster rural development, and support sustainable land care.^[22]

The African baobab fruit is usually {{convert|15-20|cm|in|abbr=on|0}} long, but can be as big as {{Conv|25|cm|}}. The dry pulp is either eaten fresh or dissolved in milk or water to make a drink. In Sudan — where the tree is called tebeldi — people make tabaldi juice by soaking and dissolving the dry pulp of the fruit in water, locally known as gunguleiz.^[23][24]

Leaves and seed

Baobab leaves can be eaten as a relish. Young fresh leaves are cooked in a sauce and sometimes are dried and powdered. The powder is called lalo in Mali and sold in many village markets in Western Africa. The leaves are used in the preparation of a soup termed miyan kuka in Northern Nigeria and are rich in phytochemicals and minerals.^[25] Oil extracted by pounding the seeds can be used for cooking but this is not widespread.^[26]

Baobab leaves are sometimes used as forage for ruminants in dry season. The oilmeal, which is a byproduct of oil extraction, can also be used as animal feed.^[27] In times of drought, elephants consume the juicy wood beneath the bark of the baobab.^[12]

For export

In 2008, the European Union approved the use and consumption of baobab fruit. It is commonly used as an ingredient in smoothies and cereal bars.^[28] In 2009, the United States Food and Drug Administration (US FDA) granted generally recognized as safe (GRAS) status to baobab dried fruit pulp as a food ingredient.^[29]

==Variation and dispersal==

In Africa, the different populations of baobabs have revealed significant genetic differences. It has consequently been suggested that the taxon contains more than one species. The shape of their fruit especially, varies considerably from region to region.^[30]

Baobab seed withstand drying and remain viable over long periods, as it has a hard seed coat. It can potentially be dispersed over long distances, and its germination potential is improved when it has passed through the digestive tract of an animal. Animals like elephants, black rhinos and eland can potentially convey the seeds over long distances. Baboons likewise spread the seeds in their dung, but over shorter distances.^[30]

Pollination in the baobab is achieved primarily by fruit bats, but bush babies and several kinds of insect also assist. Some aspects of the baobab's reproductive biology are not yet understood. It is still speculated whether fertile baobab seeds can result from pollination by the tree's own pollen. It would appear as if pollen from another tree is required for fertile seed, as isolated trees do form seed, only to abort them at a late stage. The existence of some very isolated trees, may then be due to their self-incompatibility and inability to reproduce.^[30]

Arab traders introduced it to northwestern Madagascar. There they were often planted at the center of villages, and sometimes outlived them.^[6]

Legends and myths

Along the Zambezi, the tribes believe that baobabs were upright and too proud. The gods became angry and uprooted them and threw them back into the ground upside-down. Evil spirits now cause bad luck to anyone that picks up the sweet white flowers. More specifically, a lion will kill them.^[11]

In contrast, some people {{by whom|date=January 2017}} think that if one drinks from water in which baobab seeds have soaked, you will be safe from crocodile attacks.

In Zambia, one baobab is said to be haunted by a ghostly python. A long time ago, the python lived in the hollow trunk and was worshipped by the natives. A white hunter shot him down, and led to bad consequences. Some nights, the natives still hear the hissing of the snake.^[11]

In Kafue National Park, one of the largest baobabs is known as “Kondanamwali” or the “tree that eats maidens.” The tree fell in love with four beautiful maidens. When they reached puberty, they made the tree jealous by finding husbands. So, one night, during a thunderstorm, the tree opened its trunk and took the maidens inside. A rest house has been built in the branches of the tree. On stormy nights, the crying of the imprisoned maidens can still be heard.^[11]

Along the Limpopo River, it is thought that when a young boy is bathed in the water used to soak baobab bark, he will grow up into a big man.^[11]

Some people believe that women living in kraals where baobabs are plenty will have more children. This is scientifically plausible as those women will have better access to the tree's vitamin-rich leaves and fruits to compliment a vitamin-deficient diet.^[11]

The African bushman legend states that Thora, the god, took a dislike to the baobab growing in his garden. Therefore, he threw it over the wall of Paradise onto the Earth below. The tree landed upside down and continued to grow.^[11]

In the video game Archeage, baobab fruits sell for 9 silver each, making them a valuable resource to farm and gather, especially in their favourite arid climate.

The tree also plays a role in Antoine De Saint-Exupéry’s fictional children’s book, The Little Prince. In the story, baobabs are described as dangerous plants which must be weeded out from the good plants, less they overcome a small planet and even break it to pieces.^[32]

Conservation status and threats

As of April 2015 baobabs are not yet classified by the IUCN's Red List criteria, but they are a part of the “Catalogue of Life.”^[17] The baobab is a protected tree in South Africa.^[33] In the Sahel, the effects of drought, desertification and over-use of the fruit have been cited as causes for concern.^[34]

Prominent specimens

A number of individual baobab trees attract sightseers due to either their age, size, specific history or isolated occurrence.

Around Gweta, Botswana, some have been declared national monuments. Green's Baobab, 27 km south of Gweta was inscribed by the 19th-century hunters and traders Frederick Thomas Green and Hendrik Matthys van Zyl besides other ruthless characters. About 11 km south of Green's Baobab is the turn-off to the multi-stemmed Chapman's Baobab, also known as Seven Sisters, or Xaugam.^[35] It was named for Chapman, but is also taken to be a camping site of Livingstone and Selous. It had a circumference of 25 m before its constituent trunks collapsed outward in 2016. It is not confirmed dead, however.^[36] The tree was historically used as a navigation beacon and as a post office by passing explorers, traders and travellers, many of whom left inscriptions on its trunk.

Baines' Baobabs grow on a tiny islet in Kudiakam Pan, Botswana. The seven trees are named for Thomas Baines who painted them in May 1862. The fallen giant of Baines' day is still sprouting leaves (as of 2004), and a younger generation of trees are in evidence. The islet is accessible in winter when the pan is dry.^[37]

The Ombalantu baobab in Namibia has a hollow trunk that can accommodate some 35 people. At times it has served as a chapel, post office, house, and a hiding site. Some large specimens have been transplanted to new sites, as was the one at Cresta Mowana lodge in Kasane.^[38]

At Saakpuli (also Sakpele) in northern Ghana the site of a 19th-century slave transit camp is marked by a stand of large baobabs, to which slaves were chained.^[39] The chains were wrapped around their trunks or around the roots. Similarly, two trees at Salaga in central Ghana are reminders of the slave trade. One, located at the former slave market at the center of town, was replanted at the site of the original to which slaves were shackled. A second larger tree marks the slave cemetery, where bodies of dead slaves were dumped.

Notes

References

External links

• Description and cultural information
• [https://web.archive.org/web/20060923073214/http://www.museums.org.za/bio/plants/malvaceae/adansonia_digitata.htm Structured description]
• [https://web.archive.org/web/20081007062029/http://database.prota.org/dbtw-wpd/exec/dbtwpub.dll?AC=QBE_QUERY&TN=PROTAB~1&QF0=Species+Code&QI0=Adansonia+digitata&RF=Webdisplay PROTAbase on Adansonia digitata]
• Feedipedia on Adansonia digitata
• Adansonia digitata in Brunken, U., Schmidt, M., Dressler, S., Janssen, T., Thiombiano, A. & Zizka, G. 2008. West African plants - A Photo Guide. www.westafricanplants.senckenberg.de.

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