Blackthorn

Blackthorn is a Tier 2 plant from Industrial Craft 2 (Tiers range from 2 to 8). It can only be obtained by Cross Breeding.

It is a green flower in its initial stages, identical to Roses and Dandelions. Once mature the flowers turn black.

Harvesting Blackthorn may yield an Ink Sac as well as a Blackthorn seed bag.