Your Ancestors were Treants and Human Variants. Your skin is tough and thick. + 2 CON; When not wearing Armor your AC is 16.

Proficiency to Nature checks.

You are considered a plant instead of a humanoid, and you have vulnerability to fire damage. Instead of eating or breathing normally, you harness the sun's energy and surrounding oxygen to create your own food. You can survive a number of days equal to your Constitution score without sunlight or oxygen before starving or suffocating. You must drink twice as much water as a normal human, but can take in this water through your root-like feet during travel or other activities if it is available. Instead of sleeping, you enter an inactive state for 4 hours each day. You do not dream in this state; you are fully aware of your surroundings and notice approaching enemies and other events as normal

While motionless, you cannot be discerned from any other trees around you, if no trees or growth are nearby get a
+5 to Stealth/Deception

 Your ability scores each increase by 1.

Humans reach adulthood in their late teens and live less than a century.

 Humans tend toward no particular alignment. The best and the worst are found among them.

Humans vary widely in height and build, from barely 5 feet to well over 6 feet tall. Regardless of your position in that range, your size is Medium.

Your base walking speed is 30 feet.

You can speak, read, and write Common and one extra language of your choice. Humans typically learn the languages of other peoples they deal with, including obscure dialects. They are fond of sprinkling their speech with words borrowed from other tongues: Orc curses, Elvish musical expressions, Dwarvish military phrases, and so on.