T'Lani Prime

T'Lani Prime was the inhabited prime planet in its star system.

In 2370, a T'Lani cruiser was located in orbit of the third planet, and Dr. Bashir and O'Brien were sent there to help the T'Lani and Kelleruns rid themselves of Harvesters, a biological weapon. After completing their task, there was to be a celebration held on T'Lani Prime, thus delaying their expected departure by a day.

Not long after, Ambassador E'Tyshra told Benjamin Sisko that there would be a memorial service held for Bashir and O'Brien on the planet, after their supposed deaths. 

Background information
According to the script, the pronunciation for T'Lani was " tuh-LA-nee". 

According to StarTrek.com, this planet was the homeworld for the T'Lani and orbited a star named T'Lani. ;

According to, in the entry for "T'Lani Prime", the system was named T'Lani.

T'Lani I T'Lani Prime T'Lani Prime T'Lani Primo