The town is named after the Siphingo River, which in turn is thought to be named (in isiZulu) for the intertwining cat-thorn shrubs (Scutia myrtina) present in the area, or the river's winding course.
Paliurus spina-christi (Rhamnaceae), the Crown-of-thorns, Christ's Thorn or Jerusalem Thorn
Ziziphus mistol or mistol is a spiniferous tree of the family Rhamnaceae, that belongs to genus Ziziphus, natural (and very abundant) of certain areas of Gran Chaco, South America.
Ziziphus mucronata, known as the Buffalo Thorn, "blinkblaar-wag-'n-bietjie" in Afrikaans and "mphasamhala" in Tsonga, is a species in the Rhamnaceae family.