Africa must re-adopt its orphan crops in the face of a changing environment: Prickly pear is a type of orphan crop. ShutterstockA large portion of Africa’s people rely on several indigenous plant species for subsistence. These plants are often primary food sources for people and animals, and are also used for other non-food purposes. Most are farmed as food crops and are … [Read more...] about Africa must re-adopt its orphan crops in the face of a changing environment | The Conversation