There are basically three different types of cowpea seeds; forage, grain and dual-purpose cowpea types. It can be a prostrate, semi-erect or erect herbaceous annual summer legume with a well-developed taproot system.
Dry beans is at present regarded as one of the most important field crops on account of its high protein content and dietary benefits. The dry bean is an annual crop which thrives in a warm climate. It grows optimally at temperatures of 20 to 26°C.