semi tuberous
/ˌsɛmiˈtubərəs/
adjective
- Having a structure that is partly like a tuber (a thick underground plant stem), but not fully developed into one.
- The semi-tuberous stems of this species are thicker than normal roots but not as swollen as true tubers.
- The botanist identified the plant as having semi-tuberous roots that store some water.
- Some orchids have semi-tuberous growths that help them survive dry periods.