Spekboom (Portulacaria afra) or Porkbush has a rate of carbon capture rivalling tropical forests and is drought resistant influencing global warming


Spekboom (Portulacaria afra) aka Porkbush absorbs carbon by C3 photosynyhesis during the day in wet periods but switches to CAM or Crassulacean photosynthesis in dry periods opening its stomata at night saving water loss enabling it to withstand drought. . Its rate of carbon capture rivals that of tropical forests at a fraction of the cost.


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Photo credit: © MLC Biodiversity / Alamy / Afripics
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