AO: Foster looks at how forces like the law and science construct the very matter of plants. She is interested in the materialities of patent law rules, contractual provisions and legal forms and how they mobilize networks of scientists, indigenous peoples, Hoodia growers and plants in unequal ways.
AO: She notes history of apartheid, colonial history, economic decisions to close pharmaceutical research groups, FDA approvals, as shaping the development of Hoodia.