Does Kolkwitzia have larger leaves than Abelia? It would also be deciduous, rather than evergreen. The Royal Hort. dictionary says the bark is exfoliating and leaves are 3-7.5 cm x 5cm.
Abelia x grandiflora shows leaves to be 1.5-6.5 x 3cm and lustrous dark green above above, and lighter and shiny beneath.
