Known as Lavender Tea Tree: Melaleuca ericifolia, steam-distilled in Australia from ethically farmed leaves, with a scent so like Rosewood that an unlabeled sample would fool you.
At a glance
Pass someone an unlabeled vial of this and they will say Rosewood. It is a small sleight of hand from nature: a leaf, not a heartwood, carrying that familiar aroma into the room.