Rhigozum is a flowering shrub or small tree which is native to the drier areas of Africa. It can grow to 3 metres in height. This genus is characterised by branches which are short, rigid and twisting in angular directions. This genus produces flowers between the months of September and December. It is native to the dry, open woodlands and rocky outcrops of Angola, Botswana, Namibia, Northern Cape, Limpopo, South Africa, Zambia, and Zimbabwe.
- R. brevispinosum Kuntze
- R. obovatum Burch.
- R. madagascariense Drake
- R. somalense Hallier f.
- R. trichotomum ("Three Thorns")
- R. vigatum Mex. & A.Schreib
- R. zambesiacum Baker
- "Rhigozum". Kew Plant List. Kew Botanical Gardens. Retrieved 14 November 2012.
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