Love it. We used to have the one with pink flowers....Colletia hystrix rosea
http://www.rogerstreesandshrub...
Yours is a shrub ......Colletia paradoxa.
The triangular bits are actually flattened stems not leaves.
https://www.google.co.uk/searc...
http://www.strangewonderfulthi...
How very kind of them to give you a cutting!
I dread to think what would happen to plants if everyone helped themselves.
RHS advice...."Propagate by semi-ripe cuttings of short sideshoots in late summer "
