- A spiny, almost leafless, bushy tree (Cercidium floridum syn. Parkinsonia florida) of the southwest usa, having showy yellowish flowers and blue-green bark.
- some of several comparable or associated shrubs.
- some of a variety of woods in genus Parkinsonia, with characteristic green bark, within wilderness areas of North America.
- densely branched spiny tree of southwestern usa having showy yellowish blossoms and blue-green bark; occasionally put in genus Cercidium