smoke tree

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Either of two deciduous shrubs or small trees, Cotinus obovatus, of the southern United States, or C. coggygria, native to Eurasia and widely cultivated elsewhere, having plumose flower clusters.

from The Century Dictionary.

• noun A tree-like shrub, Rhus Cotinus, native in southern Europe, cultivated elsewhere for ornament.

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

• noun any of several shrubs or shrubby trees of the genus Cotinus
• noun greyish-green shrub of desert regions of southwestern United States and Mexico having sparse foliage and terminal spikes of bluish violet flowers; locally important as source of a light-colored honey of excellent flavor