tuberoid
/ˈtubəˌrɔɪd/
adjective
- Resembling a tuber (a swollen underground stem or root) in shape or appearance.
- The gardener noticed a tuberoid growth on the old tree's roots.
- The plant had a tuberoid root system that stored water during droughts.
- Some potatoes have a tuberoid shape that makes them easy to peel.