lemon verbena
noun
1- a South American shrub of the verbena family, with lemon-scented leaves that are used as flavouring and to make a sedative tea（南美灌木, 叶有柠檬香味）柠檬马鞭草, 防臭木。
1.1
- Aloysia triphylla, family Verbenaceae.拉丁名Aloysia triphylla,马鞭草科。