hercules' club

Webster's Dictionary (GCIDE)

1.An aromatic umbelliferous plant (Archangelica officinalis or Angelica archangelica) the leaf stalks of which are sometimes candied and used in confectionery, and the roots and seeds as an aromatic tonic. [1913 Webster]

2.The candied leaf stalks of angelica. [1913 Webster]

Angelica tree, a thorny North American shrub (Aralia spinosa), called also Hercules' club. [1913 Webster]