The Palm Leaf of Derus was a Starfleet commendation awarded in the mid-23rd century to officers who participated in the successful trade negotiations between the Federation and the planet Derus VI in the 2260s.
History and specifics[]
One such award was rewarded to Lieutenant Commander Clark Terrell in recognition of the essential part he played in the mission after opening dialogue with the inhabitants, while being stranded on the planet for several years. (ST video game: Starship Creator)