Pulicaria

例句：

1. 1. The plant is used in traditional Chinese medicine to treat inflammation.
   这种植物在传统中医中用于治疗炎症。
2. 2. The purple flowers of the Pulicaria are a symbol of purity and beauty.
   紫草的紫色花朵是纯洁和美丽的象征。
3. 3. The Pulicaria was once used as an emetic, but modern science has shown that it isnot effective.
   紫草曾被用作催吐剂，但现代科学已经证明它无效。