Cowpeas in Basket (IMAGE) American Society of Agronomy Caption Cowpeas come in a surprising variety of color, size, and texture. Cowpeas' tolerance to field conditions is also varied, providing breeders a wide range of choices. Credit Jeffrey Ehlers, UC Riverside. Usage Restrictions Please use with story only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.