Botanical Diffuser Bamboo Leaf.. Scentual Expressions Aromatherapy Botanical Diffuser - Bamboo Leaf - green label Botanical Diffusers are the newest and most beautiful way to scent up a room! Diffuser comes with Botanical reeds that you place into the glass bottle that is filled with the fragrance. The reeds allow the aroma to evaporate into the air. Scentual Expressions makes a great gift for anyone.