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Vachellia xanthophloea (Acacia xanthophloea)

(Fever Tree)

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'.

Syzygium cordatum

(Water Berry)

An evergreen, water-loving tree, which grows to a height of 8 -15 m. This tree is often found near streams, on forest margins or in swampy spots. The leaves are elliptic to circular, bluish green on top and a paler green below. Young leaves are reddish and they are browsed by game. The white to pinkish fragrant flowers are borne in branched terminals and have numerous fluffy stamens and produce abundant nectar and therefore planted by bee keepers. It flowers from August to November. The fruits are oval berries, red to dark-purple when ripe and the fleshy fruit is slightly acidic in flavour and is eaten by children, monkeys, bush pigs, bush-babies and birds. The berries are also used to make an alcoholic drink. The powdered bark is used as a fish poison which turns the water blue for a week. In Central Africa the tree is known as a remedy for stomach ache, colds, fever and diarrhea. It is also used to treat respiratory ailments and tuberculosis. The bark, leaves and roots are used to make a poultice to increase the milk flow of lactating mothers. This beautiful tree attracts birds and other insects so it is ideal for a bird garden. The wood is used for furniture and for boat building as it is durable in water. It is the larval host plant of the Silver-barred Charaxes, Morant's Orange and the Apricot playboy butterflies. This is a protected tree is South Africa. Plant it 5 meters from a building or a pond. The name is derived from the Greek syn=together; zygon=a yoke hence syzygos=joined; referring to the paired branches and leaves.

Trema orientalis

(Pigeonwood)

This is a fast-growing shade tree with soft foliage, best suited to gardens and streets in the warmer and wetter regions of southern Africa. Depending on climatic conditions, trees may be evergreen or deciduous. It's a good shade tree or street tree although not as tough and cold-hardy as Celtis africana (white stinkwood). In forests it is a straight, slender tree, up to 18 m on forest margins, and in the open it is wider-spreading, sometimes drooping, and in the KwaZulu-Natal bushveld it often grows as a shrub approx. 1.5 m tall. The less water it receives, the shorter it is. Flowers are small, inconspicuous and greenish, carried in short dense bunches. They are usually unisexual, i.e. male and female are separate, occasionally they are found together. Flowers appear irregularly from late winter to autumn and are pollinated by bees. Fruits are small, round and green, becoming black when ripe. They are eaten by birds like the Lesser Striped swallows, white-eyes, canaries and bats. The leaves are carried on very short stalks-this is the easiest way to tell this tree apart from the White Stinkwood whose stalks are up to 13 mm long. The leaves are browsed by kudu. The young leaves are eaten as spinach by the Zulus, who also use the roots and bark as traditional medicine. Fruit, leaves, bark, stems, twigs and seeds are used in traditional medicine in West Africa, Tanzania, East Africa and Madagascar.It is a food plant of several charaxes butterflies. The wood is used as box wood and the roots bind the soil. The name is derived from the Greek trema=aperture. hole, opening. The kernel of the fruit is pitted.

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