Assertion: water lily's leaf | /r/AtLocation | sharp spines
Facets:
Source sentences:
text: Supported by large spongy veins, the leaves have upturned edges and the leaf underside (and stem) are covered in sharp spines, as a possible defense against herbivores such as fish and manatees.
text: The leaves have upturned edges and the leaf underside (and stem) are covered in sharp spines, a possible defense against herbivores such as fish and manatees.