What is "desmodium gyrans"

Moving \Mov"ing\, a.

1. Changing place or posture; causing motion or action; as, a moving car, or power.

2. Exciting movement of the mind or feelings; adapted to move the sympathies, passions, or affections; touching; pathetic; as, a moving appeal.

   I sang an old moving story.
   --Coleridge.

   Moving force (Mech.), a force that accelerates, retards, or deflects the motion of a body.

   Moving plant (Bot.), a leguminous plant ( Desmodium gyrans); -- so called because its leaflets have a distinct automatic motion.

Telegraph plant \Telegraph plant\ (Bot.), A tick trefoil ( Meibomia gyrans formerly Desmodium gyrans), native of the East Indies; it is a leguminous plant whose lateral leaflets jerk up and down like the arms of a semaphore, and also rotate on their axes.