The leaves are silvery and furry, especially when they are young. In fact, the petals of the flowers are similarly with fine hairs. A vigorous climber, it can grow over a structure pretty quickly and is pest and disease free. The growing inflorescence is so beautiful and the flowers are typical of the legume plants.
NB on 2 Mar 11: Once again, I felt so stupid. I know the identity of this climber. It is known as Afgekia sericea (common name: Silky Afgekia, Silver Afgekia) and I posted about it before! I am so seriously senile. Some links on this plant are attached below: