Assertion: willow's leaf | /r/HasProperty | smooth
Facets:
value: along their margins
type: LOCATION
value: usually
type: DEGREE
value: on the upper side
type: LOCATION
Source sentences:
text: The plant has woolly branches with narrow leaves which are smooth on the upper side, providing them with insulation against the cold climate of the Tundra.
text: The deciduous leaves are narrowly lanceolate, linear-lanceolate, elliptic, or narrowly elliptic in shape and usually smooth along their margins.