Cheeseman's daisy bush

O. cheesemanii is an evergreen, broadly columnar shrub up to 4m high with down-covered young shoots, narrow, slightly toothed leaves up to 9cm long, glossy dark green above and covered with soft buff or silvery down below, and branched clusters up to 20cm across of scented flower heads, each about 1cm across, with yellow centres and white ray florets, from late spring to early summer