normal Christmas tree
Commonly it is an evergreen coniferous tree
the carol o christmas tree is a translation from the german. what is german for the type of tree used as a christmas tree
The most popular type of Christmas tree in the US is the Pine tree.
palm tree
The Mango and banana trees are decorated for Chritmas in India.
"..... and a partridge in a PEAR tree ....."
Yes, there are some online retailers that make this type of christmas tree.
pine tree
Go onto google images http://images.google.com and in the search section type in "Spain Christmas tree" or "Spanish Christmas tree" then search for it.
Pine Trees.
There are a wide range of Christmas tree bags but there does not seem to be a specific popular design. The typical Christmas tree bags are a round long duffel type bag that is large enough to hold a tree.