Tuber
A thickened underground stem or root that stores nutrients. Stem tubers (like potatoes) have eyes that produce new shoots. Root tubers (like dahlias) store nutrients but require a piece of stem to regenerate.
A thickened underground stem or root that stores nutrients. Stem tubers (like potatoes) have eyes that produce new shoots. Root tubers (like dahlias) store nutrients but require a piece of stem to regenerate.