Elderberry

The Elderberry is a potion item dropped from Corrupt trees that gives the Well Fed buff. This lasts for 5 minutes, but can be cancelled by right-clicking the buff icon.

How to Obtain
Drops from Corrupt Trees (and their palm variants) with a ~1.33% chance.

Trivia

 * Elderberries are a type of flowering plant that are native to North America.
 * Its tooltip is a reference to Monty Python and the Holy Grail.