Your Constitution score increases by 2.

Although elves reach physical maturity at about the same age as humans, the elven understanding of adulthood goes beyond physical growth to encompass worldly experience. An elf typically claims adulthood and an adult name around the age of 50 and can live to be 500 years old.

Wooden Elves range from under 2 to over 5 feet tall and have stumpy builds. Your size is Small or Medium.

Your base walking speed is 25 feet.

You have proficiency in the Medicine skill.

Elves don’t need to sleep. Instead, they grow deep roots, remaining semiconscious, for 4 hours a day. Because of this ability, they don't have to eat or drink.

Their bark-like skin provides them with some natural protection. A Treefolk's natural Armor Class equals 10 + their Dexterity modifier + their Constitution modifier.

Because of their Plant-half, they dont only count as humanoid but also count as plant creatures for the purposes of spells which target plants such as Blight. 

Your Tree like looks give an advantige when hiding in the wild. You have advantage on Dexterity (Stealth) checks made to hide in terrain with ample obscuring plant life.

You can speak, read, and write Common and Elvish. Elvish is fluid, with subtle intonations and intricate grammar.