Legumes produce their fruit as a pod and generally possess nitrogen-fixing bacteria in nodules on their roots. Because of those bacteria, legumes increase soil's nitrogen content. Some examples of legumes are soybeans, peas and alfalfa.
Bluebonnet, a name given to several different kinds of plants with blue flowers. The plant most commonly called a bluebonnet is a small annual prairie wildflower that is the state flower of Texas. See more »
Kudzu, a perennial, woody, sprawling vine native to China and Japan. The stems, which may grow more than 100 feet (30 m) long, put down deep, tuberous roots at intervals as they spread, thus forming a network of stems and roots that resists erosion. See more »