Viburnum • Viburnum • カマズミ • 莢迷 • kamazumi
There are 2 of those deciduous natives to China and Japan in our Garden: one on the corner where the E path sharply bends toward Wisteria trellis (Area K) and another, almost directly across the pond, along the W path, sitting between azaleas (Area Q).
From Fine Gardening: Doublefile viburnum is a horizontally branched, deciduous shrub native to China and Japan. Along its branches in mid-spring bloom double rows of flattened clusters of sterile florets, resembling lace-cap hydrangea flowers. Oval red fruit follows and ripens to black, often attracting birds. […]
Missouri Botanical Garden recognizes 2 further sub-species, one called ‘Shasta’ and the other ‘Mariesii’ – I think our is ‘Shasta’, but I’m not sure – you can click the links to decide. There is also a dwarf form called ‘Shoshoni’.