Acacia karroo (recently renamed as Vachellia karroo) is 'n pioneer species. Vachellia karroo has a rounded crown. They may be held at 90° to the stem or raked forward slightly. The Act requires that all sightings to be reported to Biosecurity Queensland within 24 hours. The bark, leaves and gum are usually used. While it lives, Acacia karroo is an all-in-one supermarket for browsers and grazers. Rights Managed. 1996. Sweet Thorn. D.P. It is named after the Karoo region of the former Cape Province of South Africa, where it is common, and often the only tree found. Vachellia Species, Karroo Thorn, Sweet Thorn (Vachellia karroo) by kennedyh Nov 30, 2007 7:14 PM Photo by JMK, Jimmy Aves Park, Pretoria (Creative Commons Attribution-Share Alike 3.0 Unported license/GNU FDL) Whitethorn . The tree can live up to 40 years, is a very adaptable pioneer and re-sprouter (grows up to 1m per year). If an area is overgrazed the sweet thorn becomes invasive. Mey. On mature trees, the thorns may be quite short. non (L.) Willd. Briza Publications. Vachellia karroo, commonly known as the Sweet thorn, is a species of acacia, native to southern Africa from southern Angola east to Mozambique, and south to South Africa. Creative Gardening with Indigenous Plants: A South African Guide. The thorns are paired, greyish to white and are long and straight. Vachellia karroo is a useful and widespread tree in Africa. Vachellia karroo is commonly known by the name Sweet Thorn. Common names: Sweet thorn (English); Soetdoring (Afrikaans) The beautiful Acacia karroo is one of South Africa's most stunning and useful trees. Vachellia karroo, also commonly known as the Sweet Thorn, is part of the acacia specie and native to southern Africa. Golden yellow, spherical Inflorescences are at branch ends. Briza. It may be grown from seed which should be soaked in hot water and left overnight. It establishes quite quickly in a stripped area and offers a micro-climate for … The thorns were even used by early naturalists to pin the insects they collected! Vachellia karroo ( Acacia karroo ) Sweet Thorn. On mature trees, the thorns may be quite short. This is one of South Africa's most beautiful and useful trees. The sweet thorn gets its common name from the gum which is exuded from wounds in the bark. Medicinal properties, bark used to tan leather red, firewood, gum eaten by bush babies, seeds are a coffee substitute. It bears sweetly scented, golden-yellow mimosa-like balls of flowers several times during summer. Acacia eburnea sensu auct. The species’ name comes from the sweet-tasting gum which is exuded from ‘wounds’ on damaged trees. The pods split open allowing the seeds to fall to the ground. 50.1 MB (50.0 MB compressed) 5130 x 3413 pixels. Sweet thorn encroachment in the Eastern Cape Farmer's Weekly | July 31, 2020 A number of woody encroacher species are expanding both their distribution and density in the Eastern Cape. Johannesburg. Sow in spring; Germination time: 3-12 days; Sow seeds 2-5 mm deep in sandy soil mix. Bisexual Flowers are small and actinomorphic.Fruit – dehiscent pod, constricted between the flat Seeds.. The leaves are nutritious. Used for chemical products, forage, domestic uses, environmental management, medicinal purposes, fibre, food, drink, and wood. A strong rope can be made from the inner bark which is pliable enough for rope-making when it is wet. General Info. Vachellia karroo ( Acacia karroo ) Sweet Thorn. It is variable in shape and size, reaching a maximum of about 12m where there is good water. This tree has a long taproot which enables it to use water and nutrients from deep underground, this and its ability to fix nitrogen, lead to grasses and other plants thriving in its shade. The "Dune Forest" form found along the coast of Kwazulu-Natal northwards of the Tugela river has soft wood so would not be suitable for woodworking. Plant database entry for Sweet Thorn (Vachellia karroo) with 7 images and 3 data details. Cape Town. They are green when young becoming brown and dry. In … In cool dry areas it becomes deciduous. Sweet thorn is very frost hardy and moderately drought tolerant. It is a particularly good fodder tree, stock and game feed on the leaves, flowers and pods. It establishes quite quickly in a stripped area and offers a micro-climate for … Joffe, P. 2001. This is apparently similar to gum arabic which is used as a water soluble glue. Prices and download plans . Sow the following morning. Golden yellow, spherical Inflorescences are at branch ends. In arid areas the sweet thorn is an indicator of water, both underground and surface. Making the most of Indigenous Trees. The latter often with scattered, persistent spines (Ross, 1979). Vachellia karroo, the Sweet Thorn, is, in cultivation, a medium to large single stemmed, deciduous tree. Oxford. Alice Aubrey with additions by Yvonne ReynoldsWitwatersrand National Botanical GardenJanuary 2002Â, SA Distribution: Eastern Cape, Mpumalanga, Flowering season: Early Summer, Late Summer. Is usually linked to the sweetveld (good grazing and fertile soils). Sweet thorn (Vachellia karroo) C020/7401. It is integrally part of Africa's history having been used for everything from raft-making to sewing needles and fencing for the houses of the royal Zulu women. Description. Acacia karroo (= Vachellia karroo) is a very hardy, semi-deciduous, fast-growing and drought-resistant tree. The flowers produce lots of nectar and pollen for bee-farming and the honey has a pleasant flavour. Acacia natalitiaE. The seedling will transplant well in spite of the long tap root. Cover lightly with sand and do not allow to dry out. 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