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Acacia xanthophloea

Fever Tree

Medicinal bark, edible gum, timber for boxwood.
SA Tree No: 
189
Plant Type: 
General Size: 
Flowering time: 
Flowering Colour: 
Shrub Size: 
Large
Long Description: 
This large sized deciduous tree is fast growing in the sun or semi-shade .It also grows well in a swampy, low lying areas and clay soils. It was originally thought that the tree caused malaria, hence it's common name. It was the swampy conditions that caused the malaria. The fragrant yellow flowers open in Spring and smell like vanilla which attracts insects and insectivorous birds. There is also a white flowering form. First hand experience shows that it has an aggressive roots system, although some books claim that they are non aggressive. Plant it 6 meters from a building or a pool. The beautiful yellow bark makes it distinctive and highly sought after, but be aware that they are frost tender when young. It is a useful tree as it has medicinal bark, edible gum and the timber is used for boxwood, furniture and carving as it is hard and heavy. Elephants eat the young branches and giraffe, monkeys and baboon eat the leaves, flowers and the pods. Weavers like to build their nests in these trees, probably because the thorns help to protect them. The bark is used as a good luck charm and it is used medicinally, mixed with dried roots to treat malaria and to treat fevers and eye complaints and the bark is rolled into small balls and chewed for a cough and sore throat. Branches are used to protect fields from hippo. This is a popular bonsai subject. Unfortunately this fungal disease is rather common on Fever Trees. The fungus has been identified as a rust, similar to Uromyces. The suggestion is to totally spray the trunks with triazole type fungicides. (Defender or Bumper 30 ml per 100 L water) Probably the most popular treatment is a total drench with Trichotec --- Trichoderma spp. A living fungi that is antagonistic to many other pathogenic fungi. After the drench it is essential to cover as much of the treated trunk with newspaper to shield the Trichoderma from ultra violet light for a few weeks. Preventatively - be careful as weed-eater damage can initiate an infection. If this is not successful, call an arborist for their opinion and treatment. Named for Rev George Harvey Vachel (1798-1839) a British priest and plant collector. He was chaplain to the British East India company in China where he collected plants. Rudyard Kipling's story 'The Elephant's child' immortalised the specie with 'The banks of the great grey-green, greasy Limpopo River, all set about with Fever Trees'.
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