Tithonia diversifolia

Tithonia diversifolia (11273026673)

Tithonia diversifolia (Tree marigold)

181210 017 SD Bot Gdn - Tithonia diversifolia Mexican Sunflower (32531678728)

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colspan=2 style="text-align: center; background-color: transparent" | Tithonia diversifolia
colspan=2 style="min-width:15em; text-align: center; background-color: transparent" | Scientific classification
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Species	Template:Taxonomy/Tithonia T. diversifolia
colspan=2 style="text-align: center; background-color: transparent" | Binomial name
Template:Taxonomy/Tithonia Tithonia diversifolia (Hemsl.) A.Gray

Tithonia diversifolia, commonly known as the Mexican sunflower, is a species of flowering plant in the Asteraceae family. It is native to Mexico and Central America but has been widely introduced to other regions, including Africa, Asia, and the Pacific Islands. This plant is known for its bright yellow to orange flowers and its ability to thrive in a variety of environments.

Description

Tithonia diversifolia is a robust, perennial shrub that can grow up to 3 meters in height. The leaves are large, lobed, and dark green, with a rough texture. The flowers are daisy-like, with a central disc surrounded by bright yellow to orange ray florets. The plant blooms profusely, especially in the late summer and fall.

Habitat and Distribution

Tithonia diversifolia is adaptable to a wide range of habitats, from tropical to subtropical regions. It prefers well-drained soils and can often be found in disturbed areas, roadsides, and open fields. The plant has become naturalized in many parts of the world, including Africa, where it is sometimes considered an invasive species.

Uses

The Mexican sunflower has several uses, both ornamental and practical. It is commonly grown as an ornamental plant in gardens for its vibrant flowers. Additionally, it is used in agroforestry systems as a green manure and for soil erosion control. The leaves and stems can be used as fodder for livestock, and the plant has been studied for its potential in phytoremediation.

Ecological Impact

While Tithonia diversifolia can be beneficial in agricultural systems, it can also become invasive, outcompeting native vegetation and altering ecosystems. In some regions, efforts are being made to control its spread to protect local biodiversity.

Related Species

Tithonia diversifolia is closely related to other species in the Tithonia genus, such as Tithonia rotundifolia.

Gallery

• Tithonia diversifolia flower.jpg

  Flower of Tithonia diversifolia

• Tithonia diversifolia leaves.jpg

  Leaves of Tithonia diversifolia

See Also

• Asteraceae
• Invasive species
• Agroforestry
• Phytoremediation