abrus precatorius
Webster's Dictionary (GCIDE)
1.(Bot.) A plant of the genus Glycyrrhiza (Glycyrrhiza glabra), the root of which abounds with a sweet juice, and is much used in demulcent compositions. [1913 Webster]
2.The inspissated juice of licorice root, used as a confection and for medicinal purposes. [1913 Webster]
Licorice fern (Bot.), a name of several kinds of polypody which have rootstocks of a sweetish flavor.
Licorice sugar. (Chem.) See Glycyrrhizin.
Licorice weed (Bot.), the tropical plant Scapania dulcis.
Mountain licorice (Bot.), a kind of clover (Trifolium alpinum), found in the Alps. It has large purplish flowers and a sweetish perennial rootstock.
Wild licorice. (Bot.) (a) The North American perennial herb Glycyrrhiza lepidota. (b) Certain broad-leaved cleavers (Galium circ[ae]zans and Galium lanceolatum). (c) The leguminous climber Abrus precatorius, whose scarlet and black seeds are called black-eyed Susans. Its roots are used as a substitute for those of true licorice (Glycyrrhiza glabra). [1913 Webster]
Note: The name is also applied to many other leguminous plants of different genera; as the chichling vetch, of the genus Lathyrus; the horse vetch, of the genus Hippocrepis; the kidney vetch (Anthyllis vulneraria); the milk vetch, of the genus Astragalus; the licorice vetch, or wild licorice (Abrus precatorius). [1913 Webster]