Calonyction
noun
Cal·o·nyc·ti·on
ˌkaləˈniktēˌän
: a small genus of tropical American vines (family Convolvulaceae) having a salverform corolla with a long cylindrical tube and with a pointed capsular fruit see moonflower
Word History
Etymology
New Latin, from calo- + Greek nyktion, neuter of nyktios of the night, from nykt-, nyx night