Essentail Ethical Bergamot (Citrus bergamia) is a wonderfully uplifting and refreshing essential oil with a fresh sweet-citrus, floral scent. It's considered a tonic for frazzled nerves and can help soothe anxiety and lift melancholy. Bergamot can be supportive to healthy digestive and upper respiratory systems, and is great for oily or blemish-prone skin. Often used as an air freshener to combat odors. Bergamot blends well with Lavender, Neroli, Cypress, Jasmine, Juniper Berry, Lemon, Chamomile, Geranium, Rose, and Clary Sage.

Basically extracted from flowers, steam and seeds
An atar is an essential oil extracted from certain flowers, or the perfume made from this oil.
An atar is an essential oil extracted from certain flowers, or the perfume made from this oil.
An ata is an essential oil extracted from certain flowers, or the perfume made from this oil.
An attar is a form of essential oil, derived from flowers, or a perfume made from this oil.
Attar is a perfume or essential oil obtained from flowers.
The oil extracted from flower petals is called essential oil. It is concentrated and contains the natural fragrance and therapeutic properties of the flowers.
Any flower with a perfume and can be reduced to an essential oil is suitable.
No, fresh cut flowers should not be placed in a vase with oil. Oil can block the stems' ability to absorb water, which is essential for the flowers' hydration and longevity. It is best to use clean water, possibly mixed with flower food, to keep the flowers fresh and healthy.
In a glass container, 1 oz of freshly harvested lavender flowers can be combined with 1-1/2 pints of olive oil. Mascerate for 3 days, shaking daily. More fresh flowers added . . . And more . . .
The flowers are essential to reproduce the plant.
Evening primrose oil isn't actually made from the flowers; it's made by extracting the oil from the seeds.I suppose you could distill an essential oil from the flowers but that doesn't sound like what you're talking about.I'm not sure there's any practical way to extract enough oil from evening primrose seeds to make it worth your time and I'm not even sure how you'd do it without jeopardizing the chemical integrity of the resulting product.