col·chi·cum 
(k
ŏl
ch
ĭ-k
əm, k
ŏl
k
ĭ-)
n.1. Any of various bulbous plants of the genus Colchicum, such as the autumn crocus.
2. The dried ripe seeds or corms of the autumn crocus, both of which yield colchicine.
[Latin, autumn crocus (noted for its poisonous root), from Greek kolkhikon, from neuter of kolkhikos, of Colchis, from Kolkhis, Colchis (the home of the sorceress and poisoner Medea in Greek mythology).]