Strophanthus hispidus

from The Collaborative International Dictionary of English v.0.48

In'ee \I`n['e]e"\, n. [F.]
   An arrow poison, made from an apocynaceous plant
   ({Strophanthus hispidus}) of the Gaboon country; -- called
   also {onaye}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Strophanthus \Stro*phan"thus\, n. [NL., from Gr. ? a turning + ?
   a flower.] (Bot.)
   A genus of tropical apocynaceous shrubs having singularly
   twisted flowers. One species ({Strophanthus hispidus}) is
   used medicinally as a cardiac sedative and stimulant.
   [1913 Webster]