Amathole Macowania (IMAGE) Pensoft Publishers Caption The growth form of the 'Amathole Macowania' suggests that it is a valuable keystone species that can be used to buffer the mountains from further degradation. Credit Ralph Clark Usage Restrictions CC-BY 4.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.