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Sunday, June 16, 2013

Lemon Bush (Lippia javanica)

Family Verbenaceae
For the avid herb gardener with an interest in medicinal plants Lippia javanica with its dense creamy white, flower heads and aromatic leaves is a perfect candidate.

This 1 to 2m high woody shrub stands erect and is multi-stemmed. The stems have a square appearance when looked at in cross-section. The leaves are hairy with noticeable veins and when crushed gives off a strong lemon-like smell. It is said to be one of the most aromatic of South Africa's indigenous shrubs. The small cream flowers can be found on the shrub from summer to autumn in some areas and in others are produced all year. These flowers are arranged in dense, rounded flower heads. The fruit are rather inconspicuous, small and dry.


These plants are widespread throughout large parts of South Africa, with the exception of the Western Cape. L.javanica grows from the Eastern Cape northwards extending into tropical Africa including Botswana, Swaziland, Mozambique, Malawi, Tanzania, Zambia, Tanzania, and Kenya.

It grows in open veld, in the bush, as well as on forest margins.

 Derivation of name and historical aspects

The family Verbenaceae is a family of herbs and shrubs or small trees often with aromatic leaves. There are 36 genera and approximately 1035 species in tropical and subtropical regions, with just a few representatives in temperate areas. There are 8 genera and approximately 40 species in Southern Africa. There are 6 indigenous species of Lippia in South Africa.

Lippia was named after Augustin Lippi 1678- 1701, an Italian traveller and natural historian who was killed in Abysinnia. This plant also occurs in Java, hence the epiphet "javanica".


It is possible that its aromatic leaves protect this plant as animals do not usually browse it, except in exceptional circumstances.

Uses and cultural aspects

This plant is well known medicinally to many African tribes and to many avid herbalists and herb gardeners.

Different parts (the leaves, twigs and occasionally the roots) of the plant are used for different reasons. The Xhosa people are known to drink at as a weak infusion as a tea substitute and in a stronger infusion for the treatment of coughs, colds and bronchial problems in general. They use the leaves and stem and drink it with milk or water. In addition the Xhosa people also use Lippia javanica for the disinfection of meat that has been infected with anthrax.

This herb is also said to be affective against fever, especially in cases of malaria, influenza, measles, and as a prophylactic against lung infections. In these cases Lippia javanica is often mixed with another herb Artemisia afra.

The smoke from the herb has proven to be affective, if inhaled, against asthma, chronic coughs and pleurisy. The leaves and stems are burned.

Skin disorders, such as heat rash and other rashes, as well as scratches, stings and bites can also be treated. Here the tea is usually cooled and then applied like a lotion. Even lice and scabies can be treated with it.

Apart from its medicinal uses Lippia javanica is also used ritually in a cleansing ceremony when someone has been in contact with a corpse and apparently for protection against dogs, crocodiles and lightning. The Masai make a red ointment from it, which is used to decorate their bodies.

For those gardeners who are pot-pourri lovers and are looking for a good cupboard freshener then Lemon bush is the perfect addition to your bouquet. Some people even use it to make perfume.

There may be a commercial purpose for a volatile oil that is produced by Lippia javanica. Apparently it repels and controls Bark Beetles from the genus Ips who can become a plant pest.