Oleaceae

Olive tree with fruit

The Oleaceae family, commonly known as the olive family, is a family of flowering plants in the order Lamiales. It comprises approximately 25 genera and around 600 species. Members of this family are primarily trees and shrubs, and they are distributed worldwide, with a concentration in tropical and temperate regions.

Description

Plants in the Oleaceae family are characterized by their opposite leaves, which are often pinnate or simple. The flowers are typically small, with four petals, and are often fragrant. The fruit is usually a drupe or a capsule.

Leaves

The leaves of Oleaceae species are usually opposite, simple or pinnate, and can be evergreen or deciduous. The leaf margins are often entire, and the leaves may have a leathery texture.

Flowers

The flowers of the Oleaceae family are generally small and can be white, yellow, or purple. They are often arranged in clusters and are known for their pleasant fragrance. The flowers typically have four petals, although some species may have more.

Fruit

The fruit of Oleaceae plants is usually a drupe, as seen in the olive (Olea europaea), or a capsule. The drupe is fleshy and contains a single seed, while the capsule is dry and splits open to release the seeds.

Genera

Some notable genera in the Oleaceae family include:

• Olea - Includes the olive tree, known for its fruit and oil.
• Fraxinus - Known as ash trees, important for timber.
• Jasminum - Includes jasmine, valued for its fragrant flowers.
• Forsythia - Known for its bright yellow flowers in early spring.

Uses

The Oleaceae family includes economically important plants. The olive tree (Olea europaea) is cultivated for its fruit and oil, which are staples in Mediterranean cuisine. Ash trees (Fraxinus species) are valued for their strong and flexible wood, used in making tools and furniture. Jasmine (Jasminum species) is widely grown for its fragrant flowers, used in perfumes and teas.

Related pages

• Olive
• Jasmine
• Ash tree
• Forsythia