bean trefoil: shrub with trifoliate leaves and yellow flowers followed by backward curving seed pods; leaves foetid when crushed
shrub: a low woody perennial plant usually having several major stems
guinea worm disease: a painful and debilitating infestation contracted by drinking stagnant water contaminated with Guinea worm larvae that can mature inside a human's abdomen until the worm emerges through a painful blister in the person's skin