39. Anagram of 'ears stick up' - unusual first name of the tree
No-one seems to have asked for any help with:
4. It is precisely defined by a popular bidding convention - I assumed it was to do with bridge and have looked through loads of lists of bidding conventions and am none the wiser so maybe on the wrong track (5)
64. Coil up in the trees where you find Tom and a lady otter entwined (126.96.36.199). I know a lady otter is a sow and a book title immediately came to mind but i can't fit 'Tom' in.