Assertion: blackjack oak's leaf | /r/HasProperty | long
Facets:
Source sentences:
text: Water oak (Quercus nigra) has similar three-lobed leaves that are less than 4" long.
text: Blackjack oak leaves have a pear shape, the leaves of willow oak are long and narrow, and the leaves on a laurel oak and live oak (Quercus virginiana) will be elliptical.