Solstice tree

A Solstice tree was a type of tree that could feature many lights. When news of an attack on the Cyclor Shipyards reached the Core Worlds in 231 BBY, the starship Coruscant Dawn comm board lit up in the manner of such a tree upon the flurry of communication that ensued afterward.

Text and facts from the “Solstice tree” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.