pithecolobium

from The Century Dictionary.

• noun A genus of leguminous shrubs or trees, of the tribe Ingeæ, known by the peculiar rigid pods, which are two-valved and flattened, curved, curled, or twisted, and somewhat fleshy.

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

• noun thorny shrubs and trees of tropical and subtropical America and Asia