1: Uncovered references containing name for certain flowers (7)

6: Thumb Drum? (3)

7: Haley's book provides moral support (5)

8: Tradesman confined in nurses embrace (9)

10: Cat, or what it does having lost its head (5)

11: 23% of Scandinavians backing leaders (3)

13: Attack raise with no return (3,4)

1: Drawing, for example, a bit of a cartoon (3)

2: Vet theatre opening 8-down (3)

3: Spy pinched mere fragments of treaty (9)

4: A great drink. (5)

5: Scrooge in film is erratic (5)

8: Emblem of sovereignty that was a quarter-pounder? (5)

9: Tears as leading character in romance dies (5)

11: Sixpence for big cheese? (1.1.1.)

12: Sister gets nothing, we hear (3)