Possible Clues:

• Holly-like oak
• Part of trail exhibiting common holly
• I left old Holly
• The holly genus
• Is there a single law in Rome for the holly?
• Tree group, includes holly
• Holly's former partner — in Paris he's at the top
• The Italian divorcee's source of holly
• Holly perhaps as one left with lover no longer
• Shrub identified by the Italian divorcee