Actions

Multiattack. The corpse flower makes three tentacle attacks and uses Harvest the Dead, if applicable.   Tentacle. Melee Weapon Attack: +9 to hit, reach 15 ft., one target. Hit: 14 (3d6+4) bluedgeoning damage, and the target must succeed on a DC 18 Constitution saving throw or take (6d6) poison damage.   Harvest the Dead. The corpse flower grabs one unsecrued dead humanoid within 10 feet of it and stuffs the corpse into itself, along with any equipment the corpse is wearing or carrying. The remains can be used with the Corpses trait.   Corpse Spray (Recharges 5-6). The corpse flower consumes up to four humanoid corpses and discharges a powerful jet of putrid body fluids and bones in a 30-foot cone. Each creature in that area must succeed on a DC 18 Constitution saving throw. On a dailed save, a target takes 2d6 piercing damage and 2d6 necrotic damage for each corpse consumed by the corpse flower and the target is incapacitated until the end of the corpse flower's next turn. On a succesfull save, a target takes half as much damage and isn't incapacitated.

Bonus Actions

Digest. The corpse flower digestst two humanoid cropses in its body and instantly regains 22 (4d10) hit points. Nothing of the digested body remains. Any equipment on the corpse is expelled from the corpse flower in its space.   Animate Dead. The corpse flower animates two dead humanoids in its body, turning them into zombies. The zombies appear in an unoccupied space within 5 feet of the corpse flower and act immediately after it in the initiative order. The zombies act as allies of the corpse flower but aren't under its control, and the flower's stench clinge to the zombies (see the Stench of Death trait).