East indian legume having hairy foliage and small yellow flowers followed by cylindrical pods ; used especially in india for food and forage and soil - conditioning ; sometimes placed in genus phaseolus 东印度群岛的一种菜豆属植物,尤指在印度群岛作为饲料和改良土壤的作物,叶被毛,种子小而黄褐色,豆荚圆筒形。