Assertion: cattail's root | /r/CapableOf | grow near the edge of ponds
Facets:
value: in shallow swales
type: LOCATION
value: underground
type: LOCATION
Source sentences:
text: The thick, white roots, called rhizomes, grow underground near the edge of ponds and in shallow swales.
text: The thick, white roots, called rhizomes, grow underground near the edge of ponds and in shallow swales.