0.5 dry cup (0.12 liter). Soothing, uplifting. Rose, the queen of flowers. Native to the Orient, Persia, and Syria, there are an estimated 5,000 or more species of roses with the damask rose (Rosa damascena) and the cabbage rose (Rosa centifolia) the most fragrant and the most frequently used to produce essential oils for aromatherapy. Rose oil, with its deep, sweet, floral scent soothes the emotions, lifts depression, eases anxiety, elevates spirits and reduces stress and tension. It calms the nerves yet is a sensual and stimulating aphrodisiac.