They are not even N. rajah, they are N.x kinabaluensis the hybrid between the
two. There are two good N. villosa pictures on p. 105, the other is N. x
kinabaluensis. The same goes for p. 101. There is 1 good picture of N.
rajah (bottom right) the other is N. x kinabaluensis. Even the ID of the
plants labled as N. gymnamphora is very questionable.
Christoph