Willow
It is not mentioned in any of the books or movies.
Gregorovitch made Krum's wand.
Harry Potter's wand and Voldemort's wand
Nothing is known about her wand.
Nothing is known about her wand qualities.
Generally Harry Potter wands are long, thin and made of wood. They contain a magical substance and due to the unique character of each wand they have been known to choose their own wizard.
The "Elder Wand" was made by Death himself.
It has never been mentioned in either the books or the films what his wand is made of
the wand was made of elder wood, thus its nickname "the elder wand"
Draco Malfoy's wand was made of elm wood.
James Potter's wand is made of mahogany and is 11 inches long. It's core is unknown.
The only known fact concerning the wand is that it is 15 inches long.