Thorny deep-rooted drought-resistant shrub native to southwestern United States and Mexico bearing pods rich in sugar and important as livestock feed,tends to form extensive thickets.

• 多刺的根深的抗旱的灌木，原产于美国西南和墨西哥，有富含糖的豆荚，作为家畜的饲料很重要，往往形成广阔的灌木丛。