Yam daisies, once so widespread they were likened to fields of gold, quickly vanished from many regions. Trampled by livestock and outcompeted by invasive grasses, these nutritious tubers became a ...

The plant acts as a living yam stick, he says, and as well as reducing the need to cut wood from the forest, the pigeon pea brings other benefits too. Like all leguminous crops, ...

There are certain foods we tend to associate with the holidays, but we may call them by different names. For example, many of us will find sweet potatoes gracing our ...

The elephant foot yam plant, which can reach heights of 2.5m, is native to countries such as Madagascar, China, Papua New Guinea, Indonesia and Malaysia.