silver-bush

from The Century Dictionary.

• noun An elegant leguminous shrub, Anthyllis Barba-Jovis, of southern Europe. It has yellow flowers and silvery pinnate leaves, suggesting this name and that of Jupiter's-beard.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun deciduous unarmed North American shrub with silvery leaves and fruits
• noun silvery hairy European shrub with evergreen foliage and pale yellow flowers