S. hookeriana is upright with a spread of up to 1.8m and clumps of narrow oblong, pointed dark green leaves sweetly scented white flowers in the leaf axils.
S. confusa has a spread of about 1 metre with small oval, taper-pointed glossy dark green leaves very similar in shape to S.hookeriana but has rounder and slightly darker leaves.
S. hookeriana var. digyna Mounds to 1m spreading by suckering with bright green leaves and white flowers with pink anthers.
S. hookeriana var. digyna 'Purple stem' as its name suggests ha purple-pink flushed young shoots and pink-tinged flowers.
S. hookeriana var. humilis Small stoloniferous (spreads by runners) evergreen shrub making a dense low growing, up to 60cm, with white flowers with pink anthers and dark green glossy leaves. Excellent groundcover for shady places. Worth planting for the sweet heady fragrance alone.
S. ruscifolia. Upright arching H & S 1m with oval glossy green 5cm long leaves and creamy white flowers.
S. ruscifolia var. chinensis has narrower leaves.
Less common and less hardy varieties include S. orientalis,S. saligna, S. vagans and S. wallichii.