Licorice plant

Its Afrikaans common name of kooigoed translates as "bedding stuff" and it is still used to provide a soft and aromatic mattress. The essential oil has been investigated for its anti-microbial, anti-oxidant, and anti-inflammatory properties. In South Africa it forms a component of traditional African medicine. The leaves and twigs are boiled and prepared as a sort of tea to soothe coughs and fever. The leaves are also applied to wounds to prevent infection, and are ceremonially burnt to produce a traditional incense.

In its ritual use, impepho is believed to invoke and placate the ancestors and to drive away malicious spirits; since these are regarded as common causes of illness in African traditional medicine, it is not surprising that imphepho is a very important medicinal plant in this traditional medical field. Apart from its traditional importance, imphepho has been widely researched in recent years. A great deal of scientific and anecdotal evidence seems to support the claims of traditional healers. Impepho is traditionally used as a wound dressing. The plant has proven anti-microbial properties and appears to work effectively as pain relief and as an anti-inflammatory, probably due to various volatile oils and flavanoids. Ash from burnt impepho and fresh or dried aerial parts of the plant are common ingredients in wound dressings; burning the plant causes chemical changes to the plant which affect its healing properties. The oils are said to be of great value in healing scars and acne, imphepho is believed to stimulate cellular regeneration. Impepho is boiled either in water or milk to make a tea, it is used internally to treat coughs, colds, fever, infection, menstrual pain, headaches, insomnia, hypertension and even allergies and diabetes. For pain relief and to treat coughs, colds, bronchitis and other chest infections the plant is burnt and the smoke inhaled. …

It is cultivated for its foliage and as groundcover. This plant prefers sun to partial shade with well drained soil, being susceptible to root rot. It is hardy to zones 9–11, in mild or coastal areas where temperatures do not fall below freezing for extended periods. It requires a sheltered position in full sun. Numerous cultivars have been developed, of which the following have gained the Royal Horticultural Society's Award of Garden Merit:-