Mandrake

Mandrakes are very rare and can be picked up like flowers. If you do this at daytime they will die immediately and can then be stored into your inventory. They are better than anything else against hunger, for healing, or for researching (100 points*).

If you pick them up at night they will follow you until dawn.

Cooking them knocks you out until day time so it is an effective way to skip night without a bed. It also gives you a cooked Mandrake.