Rose oil the aromatics unaltered by heat. Because CO is gas at normal atmospheric pressure, it leaves no trace of itself in the final product. The equipment for CO extraction is expensive, which is reflected in the price of the essential oils obtained from the process. It takes a large amount of rose petals to distill a small amount of essential oil. Depending on extraction method and plant species, the typical yield can be approximately 1:3,000. To mitigate the cost, some dishonest dealers will dilute rose oil with geranium ("Pelargonium graveolens") or palmarosa ("Cymbopogon martinii") essential oils, both of which are rich
Lilium iridollae foot or two shorter. The individual flower stalks only create one solitary flower that hangs downward from the stem. Each flower is about 3-4 inches wide. The colors of the flowers ranges from a pale yellow to a rich orange. The petals on the flower are recurved that causes them to touch each other over the back of the stem while the stamens and the stigma hang downward in the open space. In addition, the petals also have heavy brownish-black spots. The flowers are non-fragrant. "Lilium iridollae" and many other related species are pollinated mostly by large swallowtail butterflies. In