Black Oleander is an Alchemical Ingredient. Combine 3 of these to create 
Vitriol of Oleander, which is used to make 
Elixir of Necrotic Resistance.
Oft planted near graveyards and gifted to the sickest of patients, black 
oleander is believed to keep necrosis from spreading.
Properties
Rarity: Common
Weight: 0.05 kg / 0.1 lb
Price: 4 gp 
UID
ALCH_Ingredient_Herb_BlackOleanderUUID
bc79fef0-6e8d-4703-9ed6-caa9abda3212
Where to find
Various places on the Ruined Battlefield