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[[File:Dodonea_viscosa_flowers1.JPG|Dodonea viscosa flowers1|thumb]] '''Dodonaea''' is a [[genus]] of [[flowering plants]] in the [[Sapindaceae]] family, which is primarily found in tropical, subtropical, and warm temperate regions worldwide. The genus was named after Rembert Dodoens, a 16th-century Flemish botanist, physician, and herbalist. Dodonaea species are commonly known as 'hopbushes' due to the resemblance of their fruits to hops, which are used in brewing beer.

== Description ==
Dodonaea plants are mostly [[shrubs]] and [[small trees]], with some species capable of reaching heights of up to 10 meters. They are characterized by their simple, often lance-shaped [[leaves]], which can be either evergreen or deciduous depending on the species and the environment. The flowers of Dodonaea are typically small, inconspicuous, and can be either unisexual or bisexual, with some species being dioecious (having male and female flowers on separate plants). The most distinctive feature of Dodonaea is its fruit, a papery capsule that splits open to release seeds. The fruits often take on a winged appearance, aiding in seed dispersal by wind.

== Distribution and Habitat ==
Dodonaea species are widely distributed, with a presence in Africa, Madagascar, Asia, Australia, and the Americas. They are adaptable to a variety of habitats, from coastal regions to mountainous areas, and are often found in dry, sandy soils. They are particularly prevalent in Australia, where the majority of the species occur.

== Ecological Importance ==
Dodonaea plants play a significant role in their ecosystems. They are often used as pioneer species in degraded or disturbed lands, helping to stabilize soil and provide shelter for other plant species to establish. Additionally, their flowers are a source of nectar for pollinators, while the seeds are consumed by various bird species.

== Uses ==
Historically, Dodonaea species have been used in traditional medicine by indigenous peoples to treat a variety of ailments. The leaves and bark have been used for their anti-inflammatory, analgesic, and antipyretic properties. In landscaping and horticulture, Dodonaea is valued for its drought tolerance, making it a popular choice for xeriscaping and gardens in arid climates. The attractive foliage and distinctive fruits also make certain species desirable as ornamental plants.

== Conservation ==
While many Dodonaea species are common and not considered at risk, there are some that are threatened or endangered due to habitat loss, overcollection, and climate change. Conservation efforts are necessary to ensure the survival of these species, including habitat protection, seed banking, and cultivation in botanical gardens.

== Selected Species ==
* ''[[Dodonaea viscosa]]'' – Widespread and versatile, known for its sticky leaves and adaptability to various environments.
* ''[[Dodonaea angustifolia]]'' – Commonly found in South Africa, valued for its narrow, willow-like leaves.
* ''[[Dodonaea madagascariensis]]'' – A species endemic to Madagascar, highlighting the genus's diversity in the island's unique flora.

== See Also ==
* [[Sapindaceae]]
* [[Flowering plant]]
* [[Habitat (ecology)|Habitat]]
* [[Conservation biology|Conservation]]

[[Category:Flora]]
[[Category:Sapindaceae]]

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Dodonaea - Revision history

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