Assertion: southern live oak's leaf | /r/HasProperty | smooth
Facets:
Source sentences:
text: The leaves can have spiny teeth or can be smooth.
text: The leathery, elliptical-shaped leaves usually have smooth, shiny, bright green upper surfaces and are smooth and light green below.
text: Leaves are 4 to 6 inches long, dark green and smooth above, often pale and slightly hair beneath.