Trees of Life

A walk amongst the trees of the Origins Centre Indigenous Garden

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Introducing the trees at Origins Centre's Indigenous garden

The Origins Centre Indigenous garden contains species from various environments around South Africa. These plants have medicinal, ritual, recreational, edible, cosmetic and functional applications. 

Cussonia paniculata (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

The garden's trees

Amongst some of the most important plants in the garden are the different Indigenous tree species. Below a few of our cherished trees and the reasons we love them.

Vachellia karroo (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

1. Vachellia karroo | Sweet thorn | Soetdoring | UmuNga

The Sweet Thorn is a small to medium-sized tree native to southern Africa. Sweet Thorn trees can grow to height of 12m where there is good water. It is found in open woodlands and wooded grasslands, but can also grow in very dry conditions.

Vachellia karroo (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

The tree is easily recognised by its distinctive long white paired thorns which can grow up to 10 cm long. These thorns are useful for birds that nest in the trees as they offer protection from predators.

Vachellia robusta (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

2. Vachellia robusta | Broadpod robust thorn | Mooka

This medium-sized, upright, deciduous thorn tree reaches up to 10 meters. The narrow upright growth and majestic stature, makes it one of the most popular thorn trees in southern Africa. Vachellia robusta occurs in a diverse range of habitats.  In southern Africa it is very common in the warm dry savannas as it is resistant to drought and frost.

Vachellia robusta (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

Vachellia trees fall under the Fabaceae family with over 1300 variants worldwide, a large number of which grow in Africa. They can be identified by their grey/black stem and hairy branches. Their heartwood is a reddish brown and distinctly demarcated from their wide white sapwood. 

Vachellia robusta (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

A self-contained ecosystem

Vachellia provide diverse sustenance and shelter for a multitude of animals. Giraffes, elephants and vervet monkeys frequently eat the branches, leaves and flowers of the trees. Birds build their nests amongst the thorns while stinging ants are known to live inside the thorns themselves. 

Cussonia paniculata (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

3. Cussonia paniculata | Mountain cabbage tree

This distinctive, evergreen tree mostly occurs inland in South Africa, favouring rocky environments. The wood is soft and light and was used for the brake-blocks of wagons. The leaves provide good fodder for stock. The thick root can be peeled and eaten raw as food or as a source of water. It may have been used to treat infections, inflammation and malaria.

Cussonia paniculata (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

The name Cussonia was given by Carl Peter Thunberg to commemorate the French botanist Pierre Cusson (1727-1783). 
It is believed that the common name 'kiepersol' comes from the Portuguese (Quinta-sol) or Indian (Kitty-sol), words for a parasol or sunshade. 

Cussonia paniculata (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

The large, digitately compound, cabbage blue-green leaves are one of its most distinctive features. The blue leaf colour is in some part due to the thick waxy layers on the leaves, which helps protect the plant against severe frosts. 

The flowers are pollinated by an enormous variety of insects. When they are in full flower, it sounds like a beehive. 

Kei Apple (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

4. Dovyalis caffra | Kei Apple | Motlhono | Umqokolo

The Kei apple grows in a range of environments from valley bushveld and dry areas to wooded grassland or forest edges. It is found in the Eastern Cape, KwaZulu-Natal to Swaziland, into Limpopo and Zimbabwe.

Kei Apple (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

The delicious small yellow-orange fruit attracts many birds and animals. The fruits are high in Vitamin C and make an outstanding jam.

Kei Apple (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

The Kei Apple grows into a thick bush.  It is widely cultivated as a hedge as it offers both privacy and safety.
The leaves can be used as fodder for livestock.   

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The Origins Centre indigenous gardens
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Here, nestled in-between the two Origins Centre buildings, you find vegetation and trees from mountainous regions in South Africa, such as the Drakensberg. 

Broom Cluster Fig in the Origins Centre indigenous garden (2006) by Origins CentreOriginal Source: Origins Centre, University of the Witwatersrand

5. Ficus sur | Broom Cluster Fig | Umkhiwane | Besem-Trosvy

The Broom Cluster Fig is a rock-splitting, shade tree that reaches up to 35m. It is found alongside rivers and waterways in northern and eastern South Africa, and all the way up to North Africa.

Broom Cluster Fig in the Origins Centre indigenous garden (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

Fruits of the Broom Cluster Fig tree are produced in summer. They are very sweet and are consumed fresh or as a jam.

Broom Cluster Fig in the Origins Centre indigenous garden (2006) by Origins CentreOriginal Source: Origins Centre, University of the Witwatersrand

The wood of the Broom Cluster Fig trunk is used traditionally as part of a fire-lighting kit and for making mortars, drums, brake blocks, and bed boards. The inner bark is used to make rope. The white latex from the live growth areas of the plant is used for treating lung and throat ailments. 

Broom Cluster Fig in the Origins Centre indigenous garden (2006) by Origins CentreOriginal Source: Origins Centre, University of the Witwatersrand

Like other fig trees, the Broom Cluster Fig relies on a symbiotic relationship with a specific wasp species which, while laying eggs inside the fig, collects pollen and pollinates other “fruit” of the same species.

Yellowwood in the Origins Centre indigenous garden (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

6. Podocarpus falcatus | Yellowwood | Outeniekwageelhout

The yellowwood is a tall evergreen tree with sharply pointed dark green leathery leaves and thin smooth bark. 

Yellowwoods occur from the southern Cape to the Limpopo and into Mozambique. The wood is valuable for its fast growth rate. It makes magnificent furniture and is highly sought after for boat-building, floorboards and roof beams. The bark is used for tanning leather and the sap is used to aid chest colds.    

Yellowwood (2006) by Origins Centre. Garden planned and designed by Patrick WatsonOriginal Source: Origins Centre, University of the Witwatersrand

For many thousands of years, the yellowwood resin has been combined with other ingredients to make adhesives to glue arrow-heads to shafts for hunting weapons. When heated to a certain temperature, the adhesive becomes brittle and will break under pressure,  leaving a poisoned arrow-tip in the wounded animal.

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The trees which grow in the Origins Centre garden are of huge importance both environmentally and culturally. Preserving these beautiful plants is vital as many are at risk due to climate change.

Credits: Story

Thabang Mofokeng
Patrick Watson
Nathan Moses
Brian Mogaki
Wits Services
Online exhibition curator: Tammy Hodgskiss

Credits: All media
The story featured may in some cases have been created by an independent third party and may not always represent the views of the institutions, listed below, who have supplied the content.
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