cynanchum
noun
cy·nan·chum
sə̇ˈnaŋkəm
1
capitalized : a genus of twining vines (family Asclepiadaceae) with opposite hanging leaves, small greenish or purplish flowers, and long smooth pods
2
plural -s : the roots of several vines of the genus Cynanchum formerly used as an emetic
Word History
Etymology
New Latin, from Greek kynanchon dogbane (Marsdenia erecta), from kyn- cyn- + -anchon (from anchein to choke)