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Common names: Sweet thorn (English)
This is one of South Africa's most beautiful and useful trees. It is integrally part of our country's history having been used for everything from raft-making to sewing needles and fencing for the houses of the royal Zulu women. The thorns were even used by early naturalists to pin the insects they collected! It is very widespread throughout southern Africa and there are different forms in some places, which can be confusing. Acacia karroo may be found from the Western Cape through to Zambia and Angola. In tropical Africa it is replaced by Acacia seyal. The name Acacia is derived from Greek "akis" a point or barb. Karroo is one of the old spellings of karoo which cannot be corrected because of the laws governing botanical nomenclature (giving of names).
It is found in a variety of habitats from low lying areas to highveld, although not usually found in mist belt and montane areas. It is an indicator of sweet veld which is prized for the good grazing and fertile soils. If an area is overgrazed the sweet thorn becomes invasive.
Acacia karroo has a rounded crown, branching fairly low down on the trunk. It is variable in shape and size, reaching a maximum of about 12m where there is good water. The bark is red on young branches, darkening and becoming rough with age. Sometimes an attractive reddish colour can be seen in the deep bark fissures The leaves are finely textured and dark green. The flowers appear in early summer in a mass of yellow pompons. Many insects visit and pollinate these flowers. The seed pods are flat and crescent shaped, sometimes with constrictions between the seeds. They are green when young becoming brown and dry. The pods split open allowing the seeds to fall to the ground. The thorns are paired, greyish to white and are long and straight. On mature trees, the thorns may be quite short. They may be held at 90° to the stem or raked forward slightly. Technically the thorns are called "spines" and are developed from modified stipules (small, leaf-like scales, seen at the base of the leaf-stalk). In some other thorny acacia species, the thorns are not stipular in origin and are called "prickles". These originate in the epidermis ("skin") and are always short and curved, a bit like rose thorns. Thorns on African acacias are important for identification, they are divided into 5 main groups according the size, shape and position of the thorns.
Added by Deepti 4 months ago
Conditions Treated: Dental
Specific Conditions Treated: Inflamed Gums
Ingredients Participating: Acacia karroo
Many people complain about inflamed gums. Their causes can range from simple irritation to a systemic disease. Either way, your oral health speaks mountains about the overall healt... more
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Added by Deepti 4 months ago
Conditions Treated: Eyes
Specific Conditions Treated: Conjunctivitis
Ingredients Participating: Acacia karroo
Conjunctivitis, commonly known as pink eye, is an infection of the conjunctiva (the outer-most layer of the eye that covers the Conjunctivitis ( pink eye )sclera). The three most c... more
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Added by Deepti 4 months ago
Conditions Treated: Eyes
Specific Conditions Treated: Blepharitis
Ingredients Participating: Acacia karroo
Blepharitis is an inflammation of the eyelids causing red, irritated, itchy eyelids and the formation of dandruff-like scales on eyelashes. It is a common eye disorder caused by ei... more
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Added by Deepti 4 months ago
Conditions Treated: Urology
Specific Conditions Treated: Prostatitis
Ingredients Participating: Acacia karroo
Prostatitis is a frequently painful condition that affects mostly young and middle-aged men. Doctors may have difficulty diagnosing prostatitis because the symptoms are not the sam... more
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Added by Deepti 4 months ago
Conditions Treated: Ear Nose and Throat
Specific Conditions Treated: Pharyngitis
Ingredients Participating: Acacia karroo
Pharyngitis is inflammation of the pharynx, which is in the back of the throat, between the tonsils and the voicebox (larynx).
The main symptom is a sore throat.... more
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