球根植物

例句：

1. 1. Tuberous plants are often used as food sources in some cultures.
   一些文化中，球茎植物常被用作食物来源。
2. 2. The bulbous root of the onion is what gives it its characteristic aroma.
   洋葱的球状根部是它特有的香味的来源。
3. 3. Many bulbous plants can be grown in containers to save space and create a colorful display.
   许多球状植物可以种植在容器中来节省空间并创造一个多彩的展示。