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The leaves of all species of marigold include oil glands.

There are oil glands present at the base of the leaf stipules.

Their surfaces often have visible oil glands and short hairs.

As in other members of the myrtle family, eucalyptus leaves are covered with oil glands.

Fats get thick and can't move out of the oil glands.

The plants are related to the citrus family, and have oil glands in the leaves which give off a distinctive aroma.

Feet have fewer oil glands than other parts of the body, which makes them especially susceptible to dry air.

Estrogen is critical in the production of oil glands and collagen.

At the same time, the areas that lack oil glands can become dry and flaky.

Leaves contain rows of oil glands on the lower surface.