Sentient plants, or greenfolk, are a wondrous new life form.  Sentient Plants have all of the usual Plant creature immunities, immunity to sleep, paralyze, poison, stunning and critical hits, but they do not receive immunity to mind-affecting effects.  All greenfolk receive +2 racial bonus to their Hide & Move Silently skills, a –2 penalty to Bluff & Diplomacy vs non-plants. a -2 penalty to Decipher Script and a -4 penalty to Tumble & Balance.  Greenfolk characters begin with 1 minor positive mutation, 1 major positive mutation and 1 random minor negative mutation.