Simaroubaceae

A family of flowering plants known as the quassia family

Ailanthus altissima, commonly known as the tree of heaven

The Simaroubaceae is a family of flowering plants in the order Sapindales, commonly known as the quassia family. This family includes trees, shrubs, and a few lianas, and is known for its bitter-tasting compounds, which have been used in traditional medicine.

Description

Members of the Simaroubaceae family are typically characterized by their pinnate leaves and small, often unisexual flowers. The flowers are usually arranged in panicles or racemes. The fruit is often a drupe or a samara, depending on the genus.

Leaves

The leaves of Simaroubaceae are usually alternate and pinnately compound, although some species may have simple leaves. The leaflets are often serrated and can vary in size and shape.

Flowers

The flowers are generally small and can be either monoecious or dioecious. They typically have five petals and five sepals, although variations exist among different genera.

Fruit

The fruit of Simaroubaceae can be a drupe, as seen in the genus Simarouba, or a samara, as in Ailanthus. The seeds are often dispersed by wind or animals.

Distribution

Simaroubaceae species are found in tropical and subtropical regions around the world. They are particularly diverse in the Americas, Africa, and Southeast Asia.

Notable Genera

Ailanthus

Ailanthus is a genus that includes the well-known Ailanthus altissima, or tree of heaven. This species is native to China but has become invasive in many parts of the world.

Simarouba

Simarouba is a genus known for its medicinal properties. The bark and seeds of Simarouba species have been used in traditional medicine for their anti-malarial and anti-inflammatory effects.

Quassia

Quassia is another genus within the family, known for its bitter compounds. Quassia wood is often used to make a bitter tonic.

Ecological Importance

Simaroubaceae species play important roles in their ecosystems. They provide food and habitat for various animal species. Some, like Ailanthus altissima, are known for their ability to thrive in disturbed environments and can be important for soil stabilization.

Uses

Many species in the Simaroubaceae family have been used in traditional medicine. The bitter compounds found in these plants are often used to treat digestive issues and as anti-parasitic agents.

Related pages

• Sapindales
• Ailanthus altissima
• Traditional medicine