Trees of knowledge

1 What word is used to classify trees that lose their leaves for part of the year?

2 The tallest living tree - 112.8 metres - is a coast redwood called the Strato-sphere Giant. Which US state is it in?

3 In Greek mythology, the Meliae were nymphs of which tree?

4 In The Lord of the Rings trilogy, what are the creatures who resemble living trees called?

5 What is the name of the tree under which Buddha is thought to have achieved enlightenment?

6 Which tree-related football club are the only team to have won the European Cup/Champions League more times than they have won their national league championship?