James S. Boatwright

Vachellia sieberiana, until recently known as Acacia sieberiana, is a tree native to southern Africa and introduced into Pakistan. It is used in many areas for various purposes. The tree varies from 3 to 25 m in height, with a trunk diameter of 0.6 to 1.8 m. It is not listed as being a threatened species.

Vachellia horrida is a low spreading shrub or sometimes tree native to both the wet and dry scrublands of tropical to subtropical East Africa. Common names for it are Cape gum, Karroo Thorn and dev-babul. It is also found elsewhere in Africa, Asia, India and South America. It frequently has stipular spines 9.5 cm long. V. horrida is an important browse plant in the tropics, particularly during the dry season.

Vachellia oerfota is a species of shrub or tree native to northeastern Africa, the Arabian Peninsula, and Iran.

Vachellia abyssinica, the flat top acacia, is a tree up to 16 m (52 ft) tall.

Gonialoe (the partridge aloes) is a small genus of three succulent plant species—Gonialoe dinteri, Gonialoe sladeniana and Gonialoe variegata—endemic to coastal South Africa, Namibia and Angola. They were formerly included within the larger, related genus Aloe.

Vachellia robusta, the splendid thorn, is an Afrotropical tree species. It is native to eastern and southern Africa, ranging from Ethiopia and Somalia in the north to South Africa and Namibia in southern Africa.

Vachellia reficiens (Afrikaans: Rooihak, German: Rotrindenakazie), commonly known as red-bark acacia, red thorn, false umbrella tree, or false umbrella thorn, is a deciduous tree or shrub of the pea family (Fabaceae) native to southern Africa, often growing in an upside-down cone shape and with a relatively flat crown.

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Senegalia dudgeonii is a small perennial tree that grows up to 9 meters tall. It belongs to the Fabaceae family and endemic Sudano-Sahelian and Guinea savannah zones of West Africa.

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Kumara haemanthifolia is a species of flowering plant in the family Asphodelaceae. It is a rare species of succulent plant, native to a few high, inaccessible mountain peaks in the Fynbos habitat of Western Cape, South Africa.

Gonialoe variegata (syn. Aloe variegata), also known as tiger aloe and partridge-breasted aloe, is a species of flowering plant in the family Asphodelaceae. It is an evergreen succulent perennial indigenous to South Africa and Namibia. It is common in cultivation.

Vachellia permixta, the hairy acacia, is a species of plant in the family Fabaceae. It is found in Botswana, the Northern Provinces of South Africa, and Zimbabwe.

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Vachellia natalitia is a species of plant in the family Fabaceae.

Senegalia montis-usti, the Brandberg acacia, is a species of plant in the family Fabaceae. It is found only in Namibia.

Gonialoe sladeniana is a species of plant in the genus Gonialoe. It is endemic to arid areas of central Namibia.

Wiborgiella is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Faboideae. They are native to the Cape Provinces and Free State (province) in South Africa. The genus name of Wiborgiella is in honour of Erik Viborg (1759–1822), who was a Danish veterinarian and botanist.

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Senegalia hereroensis is a species of trees in the genus Senegalia. It is indigenous to Southern Africa, and its native range includes western Zimbabwe, Botswana, and Namibia, and the Northern Provinces, Cape Provinces, and Free State of South Africa. It is native to Zambezian wooded grassland (savanna), and wooded grasslands of the Kalahari-Highveld regional transition zone. Senegalia hereroensis may be confused with Senegalia afra but it has more robust prickles. The larvae of the moths Phyllonorycter leucaspis and Heniocha dyops (marbled emperor) feed on S. hereroensis.

Senegalia flagellaris is a species of plant in the family Fabaceae. It is found only in Somalia.

Senegalia densispina is a species of plant in the family Fabaceae. It is found only in Somalia. It is threatened by habitat loss.

Aloidendron sabaeum (syn. Aloe sabaea) is a species of flowering plant belonging to the subfamily Asphodeloideae. It is native to Saudi Arabia and Yemen.

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Vachellia prasinata (syn. Acacia prasinata) is a species of plant in the family Fabaceae. It is found only in Ethiopia. It is threatened by habitat loss.

Vachellia nilotica subsp. tomentosa is a perennial tree native to Africa, Asia and India.

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