Shrub to 2 m tall with arching branches. Leaves rhomboid to obovate, bluish below, hairless; margins with mostly rounded teeth, sometimes with 3-5 lobes at the tip. Flowers white, with rounded petals, in flat-topped clusters; summer. Fruits spreading outwards.

A garden hybrid, S. cantoniensis × S. trilobata, possibly raised by Billard of Fontenay-aux-Roses, France, c. 1862.

Garden origin.

Source: Spencer, R. (2002). Rosaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.