Assertion: water lily's leaf | /r/HasAspect | stoma
Facets:
Source sentences:
text: Leaf and flower stems can grow rapidly in response to fluctuations in water levels while the leaves themselves have stomata (small pores that allow for the exchange of gases such as oxygen and carbon dioxide) arranged on the upper surface of the leaf as opposed to the underside of the leaf as is found in most plants that grow on land.