Vaccinium viscifolium A flowering branch B leaves C floral bract, adaxial (left) and abaxial (right) view D bracteoles, adaxial (left) and abaxial (right) view E calyx lobe, adaxial (left) and abaxial (right) view F flower G opened corolla, adaxial (up) and abaxial (below) view H hypanthium, disk and style with front two calyx lobes removed I stamens, lateral (left), abaxial (middle) and adaxial (right) view J ovary, apical (left) and transverse (right) view. Scale bars: 5 cm (A, B); 1 cm (C, F, G, H); 5 mm (I); 2 mm (D, E, J). Photos by X. H. Ye.