n huge fungus plant 

Perception +15; low-light vision

Languages Sylvan (Can't Speak Any Language)

Skills Athletics +17, Stealth +14

Str +7 Dex +2 Con +5 Int -2 Wis +3 Cha +0

AC  25; Fort +17, Ref +12, Will +13

HP 120; Immunities acid; Weaknesses fire 5; Resistances piercing 5, slashing 5

Attack of Opportunity [R] Tentacle only.

Speed 20 feet

Melee [>] bite +18 (reach 10 feet), Damage 2d10+11 piercing plus Grab

Melee [>] tentacle +18 (agile, reach 15 feet), Damage 2d6+11 bludgeoning plus Grab

Rampant Growth [>] Requirements A creature the tendriculos has Swallowed; Effect Whole has taken damage since the end of the tendriculos's last turn, and the tendriculos hasn't used any other actions this turn; The tendriculos regains 3d8 HP and recovers from the fatigued and slowed conditions. It reduces any enfeebled value it has by 2.

Swallow Whole [>] (attack) Large, 2d10+7 acid plus tendriculos venom, Rupture 14.

Tendriculos Venom (incapacitation, poison) Saving Throw DC 21 Fortitude; Maximum Duration 6 rounds; Stage 1 clumsy 2 (1 round); Stage 2 clumsy 2 and slowed 2 (1 round); Stage 3 paralyzed (1 round)

Bestiary 2, page 257. Expanded in LOIL.