Rhizomes–undergoundstem, short internodes, scale leaves, food storage
•Runners or Stolons–horiaontallyoriented stem that grow along the soil surface–function is a vegetative reproduction
•Tubers–swollen regions of stems that store food
•Bulbs–rosette stems surrounded by fleshy leaves that store nutrients.
•Corms-undergoundstem, thin leaves, store nutrients
•Cladophylls–leaflikestem modified for photosynthesis.