vegetative spirit

Festering Aura (fungal only). Any creature, other than you, that starts its turn within 5 feet of the spirit must succeed on a Constitution saving throw against your spell save DC or be poisoned until the start of its next turn.

Regeneration (tree only Only). The spirit regains 5 hit points at the start of its turn if it has at least 1 hit point.

deep roots

The area within 10ft of the spirit is difficult terrain.

Multiattack. The spirit makes a number of attacks equal to half this spell’s level (rounded up).

spore claw (fungal Only). Melee Weapon Attack: your spell attack modifier to hit, reach 5 ft., one target. Hit: 1d6 + 3 + the spell’s level slashing damage. If the target is poisoned, it must succeed on a Constitution saving throw against your spell save DC or be paralyzed until the end of its next turn.

Enter the description for how bonus actions work for your monster here.