👉 Oleocalcareous is a type of plant in the family Asteraceae. It is known for its unique, highly aromatic and often fragrant scent, which is produced through the process of hydrazinol metabolism. This chemical compound is primarily responsible for the olfactory sensation that can be detected when inhaling this plant. The term "oleocalcareous" comes from the Latin word "olus" meaning "to smell," as it's often associated with the scent or aroma