Orange Flower Absolute (aromatherapy)

Orange Flower Absolute is a dark brown or dark orange colored, somewhat viscous liquid with a very intensely floral, heavy and rich, warm, but also delicate and fresh, long-lasting odor, closely resembling the odor of fresh bitter-orange blossoms.
Arctander, Steffen . Perfume and Flavor Materials of Natural Origin (p. 551).  

citrus aurantium var. amara absolute