american barberry: deciduous shrub of eastern North America whose leaves turn scarlet in autumn and having racemes of yellow flowers followed by ellipsoid glossy red berries
barberry: any of numerous plants of the genus Berberis having prickly stems and yellow flowers followed by small red berries
palladium: a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry