oxytropis

from The Century Dictionary.

• noun A genus of leguminous plants of the tribe Galegeæ and the subtribe Astragaleæ, distinguished from Astragalus by the sharp appendage on the keel-petals.

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

• noun large widely-distributed genus of evergreen shrubs or subshrubs having odd-pinnate leaves and racemose or spicate flowers each having a pea-like corolla with a clawed petal