Assertion: birch's leaf | /r/HasAspect | serrated margin
Facets:
value: doubly
type: DEGREE
value: with relatively sharp teeth
type: OTHER
Source sentences:
text: The leaves have a doubly serrated margin with relatively sharp teeth.  
text: The leaves have a doubly serrated margin with relatively sharp teeth.
text: The leaves are ovate-triangular in shape having a serrated margin.