Location: This quest takes place in Azuremyst Isle. Follow up on Quest: A Small Start.
Shortly: Admiral Odesyus at Odesyus’ Landing wants you to bring him a Hallowed Out Tree and 5 Piles of Leaves.
How to: Leaves and Tree can be found randomly outside the camp and here is what they look like.
Rewards are 80 experience, 250 reputation with Stormwind and 150 reputation with Exodar.