bulb

A) flattened photosynthetic stem that stores water; succulents
B) "runners"; horizontal branches from main stem; contain nodes
C) thickened areas of underground stolons used for food storage
D) fleshy main stem that grows horizontally underground
E) thick underground stem that stores nutrients; has nodes off of which shoots arise
F) short underground stem with overlapping thick leaves called scales

Bulb

A rounded underground storage organ present in some plants, consisting of a short stem surrounded by fleshy scale leaves or leaf bases, functioning as a food reserve.

Underground Stem

Subterranean plant parts that function in storage of nutrients, vegetative reproduction, and survival from environmental conditions.

Modified Leaves

Leaves that have evolved to serve functions other than photosynthesis, such as protection or storage.