Match the following terms and definitions.
1. bulb
horizontal stem at or just beneath the surface of the ground which can produce aerial stems and roots
2. corm
a central bit of fleshy stem tissue surrounded by enlarged leaf bases
3. rhizome
stem of a plant that periodically produces new stems, leaves, and roots
4. stolon
a solid, enlarged underground stem used for food storage and asexual reproduction
5. tuber
fleshy, enlarged stem of a rhizome or stolon