Assertion: azalea's leaf | /r/HasProperty | thick
Facets:
Source sentences:
text: Leaves are thick and leathery and are evergreen in all but the azalea species, some of which are deciduous.
text: Erica, in particular, have leaves that are small and narrow, with a channel on the lower surface, while other genera have leaves that are thick and hard, with close parallel venation.