bean caper

from The Century Dictionary.

• noun Zygophyllum Fabago, a small tree, a native of the Levant. The flower-buds are used as capers.

from the GNU version of the Collaborative International Dictionary of English.

• (Bot.) A deciduous plant of warm climates, generally with fleshy leaves and flowers of a yellow or whitish yellow color, of the genus Zygophyllum.

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

• noun perennial shrub of the eastern Mediterranean region and southwestern Asia having flowers whose buds are used as capers