Use "tuber" in a sentence

1. “Now this,” she began holding a plate with one hand and a large spoon with the other, “is similar to your earth potato, we call it a Yumata tuber; we mash it also and sprinkle it with Tyra salt

2. torpedo tuber of a frozen leave,

3. Hyacinths and the sweet potato - a tuber are two

4. This tuber seemed like a faint promise of Nature to rear her own children and feed them simply here at some future period