Dried Acorn

The Dried Acorn is the seed of a Crimson Lasher.

Source
The Dried Acorn can be found near corpses of Druids of the Flame at the Widow's Clutch. The object begins The Mysterious Seed, which provides the Dried Acorn item.

Quests

 * The object starts The Mysterious Seed.
 * The item is used during both that quest and Planting Season.