Assertion: bamboo's rhizome | /r/HasProperty | underground stem
Facets:
Source sentences:
text: The woody ringed stems, known as culms, are typically hollow between the rings (nodes) and grow in branching clusters from a thick rhizome (underground stem).
text: Running bamboos, also known as invasive bamboos, produce long rhizomes (underground stems), which grow away from the main plant and will spread rampantly if not contained.