What is the flower/plant that stands for: cleanliness?

Questions

B Movies: Bomb that featured Eddie Murphy and Dudley Moore as arms dealers?

B Movies: Clint Eastwood stars as a cowboy who runs a fly-by-night wild west show?

B Movies: Conan-clone whose hero can talk to animals, namely ferrets?

B Movies: Demi Moore's accent is horrid as a North Carolina clairvoyant in NYC?

B Movies: Disney's 1979 attempt at a sci-fi flick, with Ernest Borgnine?