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Updated: October 6, 2026
From the rattling of its seed in the pod it obtains its name, which signifies porcupine-bells, alluding to the small bells worn about the ankles of children. The leaves alone attract notice, being double, as if united by a hinge, and this peculiarity suggested the Linnean name, which was given in compliment to two brothers of the name of Bauhin, celebrated botanists, who always worked conjointly.