Funding for this research was provided by:
Nelson Mandela University
National Research Foundation, South Africa
Received: 3 November 2021
Accepted: 21 February 2022
First Online: 12 April 2022
: Our study involved non-destructive observations of plants and thus did not require ethics approval. We have obtained permission from the government authority on whose land we undertook field surveys (South African National Parks permit Ref. KRAA-T/2019-010) and their approval is <i>inter alia</i> subject to adherence to all local, national, or international guidelines and legislation relevant to research of this nature.
: Not applicable.
: The authors declare that they have no competing interests.