8d extremities one different in reverse (8) T???A?L? Toenails?
10a something hairy on back of vine fruit (6) ?R?N?? last letter is E if toenails is correct...
18d Right leader who sat up high (8) ?O?T?P?W
Southpaw fits and is anag of 'who sat up' -but what is the definition?
A southpaw is a left leader.......
18ac poets article attracted proposal (6,6) ?N?R?W, ?O???N Andrew Coburn fits, but I cannot see why.... 16d alternative numbers in river showing split personality (8) ?U?O?C?E U depends on Coburn, and...