A Vulcan palm tree is a species of plant lifeform native to the planet Vulcan.
History and specifics
While on the planet Neesan in the year 2266, Montgomery Scott compared the sound made by the Neesan pterodactyls to the sound of "ten thousand Vulcan palm trees caught in a solar-wind storm." (TOS - The Key Collection Enterprise Logs comic: "The Cosmic Cavemen")