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Senegalia burkei
Senegalia burkei is a distinctive deciduous tree that can be identified easily throughout the year. It has spikes of creamy white flowers in early summer,...
Senegalia caffra
This beautiful tree is the most common naturally occurring senegalia in the Witwatersrand National Botanical Garden. It may reach up to 14m and has an...
Senegalia galpinii
This is a large tree with luxuriant, light green foliage, making it ideal for a big garden, avenue or park. It is also valued by farmers. This tree...
Senegalia mellifera subsp. detinens
This is a thorny shrub or small tree with sweetly scented flowers and with hard, attractive wood....
Senegalia nigrescens
Senegalia nigrescens is a deciduous, small to medium-sized tree which occurs in various savanna regions, often at low altitudes, and in rocky areas, on...
Seriphium plumosum
This intricately branched, heath-like shrublet is well known to hikers who use the plant to make soft mattresses when sleeping outdoors. It might be better...
Sesamum senecioides
A prostrate perennial, with annual creeping stems and white to pinkish flowers. It takes over open spaces in grassland and it is used as substitute for...
Sesamum trilobum
Flowering during the warm summer and into autumn, this tall elegant annual adds a cool and lush feeling to the garden. In nature they are commonly found...
Setaria megaphylla
Setaria megaphylla may be found along rivers in low-lying areas or forests and in dense bushveld where there is plenty of moisture. ...
Setaria verticillata
Setaria verticillata is a species of grass known by the common name, bur bristlegrass. It is easily distinguished from other Setaria species by retrorsely...
Silene undulata
This small herb is used as a 'dream plant'....
Solanum giganteum
This big shrub with its colourful, long-lasting berries and large leaves with silvery undersides, makes an unusual hedge or background plant....
Sphenostylis angustifolia
Sphenostylis angustifolia, or the wild sweet-pea, is a lovely green perennial shrublet with an extensive woody rootstock that decorates the Highveld with...
Spirostachys africana
Renowned for its beautiful wood, Spirostachys africana is a medium-sized, semi-deciduous tree with a round crown which occurs in low altitude bushveld,...
Sporobolus africanus
Sporobolus africanus is a tough, palatable, perennial grass with a low leaf production. It is a good indicator of disturbed veld....
Stapelia gigantea
Stapelia gigantea has the largest flowers (up to 40 cm across) of any plant in our region and is one of the easiest stapeliads to grow. Plants are widely...
Stapelia leendertziae
Stapelia leendertziae is probably the most striking species of the genus Stapelia, especially when in flower, due to the unique, large, bell-shaped, deep...
Stenostelma umbelliferum
Stenostelma umbelluliferum was recently moved to the genus Stenostelma. Previously known as Schizoglossum umbelluliferum, it was rediscovered in...
Sterculia murex
It is not only the beauty of the flowers that creates interest in this tree, but also the unique appearance of its fruit and the lovely, palmately compound...
Streptocarpus vandeleurii
This is an unusual herbaceous plant that consists of only one leaf with an impressive inflorescence of creamy white flowers that will die once it has flowered...