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Zantedeschia odorata
Zantedeschia odorata is a rare, winter-growing, white arum with a moderately sweet scent and attractive, arrow-shaped leaves. With careful attention to...
Zanthoxylum capense
A large number of Zanthoxylum species have been studied and most of them contain biologically active benzophenanthridine alkaloids. Of particular...
Zanthoxylum davyi
The forest knobwood tree, scientifically known as Zanthoxylum davyi, is a remarkable presence in southern African forests, with its its impressive height,...
Zanthoxylum humile
The hairy knobwood is dressed in a layer of short, grey hairs along its branches and armed with dark, sharp thorns, as if it is fully aware of its medicinal...
Zeuxine africana
Zeuxine africana, listed as Endangered on the South African Red List, is only known from a single locality - the busiest port of southern Africa, Durban...
Ziziphus mucronata
Ziziphus mucronata, or as it is more frequently known, the wag-'n-bietjie tree represents life as we know it. The young twigs are zigzag,...
Ziziphus rivularis
Ziziphus rivularis is drought-resistant and has attractive, glossy, olive-green foliage with variable venation, as well as an attractive grey stem. This...
Ziziphus zeyheriana
Ziziphus zeyheriana or, as it is commonly known, dwarf buffalo-thorn, is an inconspicuous, stunted, woody shrub and, just like its relative the tree Ziziphus...
Zygophyllum
Zygophyllum, a genus of rounded, many-stemmed dwarf shrubs, is characterised by flowers with five or four delicate yellow or white petals, often with...
Zysmalobium involucratum
The long, narrow, green leaves make Xysmalobium involucratum inconspicuous in unburned grassy areas unless it is flowering. In grasslands that are grazed...
xRuttyruspolia 'Phyllis van Heerden'
Because of its beauty and prolific, long-lasting inflorescences, the shrub × Ruttyruspolia `Phyllis van Heerden' is now grown in many urban...