Celtis Africana (celtis africana): The white stinkwood (Celtis africana) is a deciduous tree in the family Cannabaceae. Its habit ranges from a tall tree in forest to a medium-sized tree in bushveld and open country, and a shrub on rocky soil. It occurs in Yemen and over large parts of Africa south of the Sahara. It is a common tree in the south and east of southern Africa. https://en.wikipedia.org/wiki/Celtis%20africana
South African Cabbage Tree- Cussonia paniculata These make a beautiful focal point with their attractive gnarled trunk and grey leaf. Slow growing, they would be shown off at their best in a rock and large boulder garden. Native to South Africa. Cussonia paniculata is an unusual evergreen shrub with a large boldy textured, grey leaf. The leaf has medicinal purposes however some parts of the plant are poisonous if ingested. They will need protection from moderate to hard frosts.
Combretum kraussii is a medium to large-sized tree that is fast-growing and reasonably cold resistant. It is mostly evergreen, and turns red-purple in winter. Produces creamy-white flowers. Many different uses.
TREE: sml - Heteropyxis natalensis -Lavender Tree Slender, upright, fairly hardy, semi-deciduous tree with shiny, waxy leaves. It has small clusters of yellowish, sweetly scented flowers, from Sept. to March, which attract butterflies and other insects. The bark that starts off grey and matures to a creamy colour with apricot coloured patches is truly beautiful. Ideal tree for small gardens, planted in groves and for containers. Size 4 to 7m : in Gauteng to 5m / S.A. No. 455