psoralea

例句：

1. 1.The psoralea plant is native to the southeastern United States.
   紫杉树原产于美国东南部。
2. 2.Psoralea is a medicinal herb that has been used for centuries in traditional Chinese medicine.
   紫杉是一种传统中药，被使用了几个世纪。
3. 3.In recent years, scientists have discovered that psoralea can help treat cancer.
   近年来，科学家发现紫杉可以治疗癌症。