Originally Posted by Sir Ian McKellen
"One thing Middle-earth is short on is the feminine. It's a pity, because a female dwarf would have been fun. Bilbo's mother, the "famous Belladonna Took," will make a brief appearance in the extended DVD/Blu-ray edition but in the film itself, thank goodness for the ravishing re-appearance of Cate Blanchett's serene Galadriel. She is so sweet to Gandalf, countering the sinister presence of a mournful Saruman at the conference table. Actually Christopher Lee wasn't with the rest of us, filming in New Zealand. His contribution was shot back home in London and then sliced into the scene, though you can't tell, of course."
Apparently that Beladonna Took comment was in the context of favorite scenes that were cut from the film.
And oh wow, I had no idea that Lee's stuff was filmed completely apart from the rest.