Combretum

Combretum albidum (Piluki) in Kinnarsani WS, AP W2 IMG 5783

Combretum aculeatum MS 10043

Combretum paniculatum MS 10060

Combretum acutum MHNT.BOT.2009.16.15

Combretum is a genus of flowering plants in the Combretaceae family, which is known for its significant diversity in tropical and subtropical regions around the world. The genus includes shrubs, trees, and lianas; many of which are important for their ecological roles in their native habitats, as well as for their ornamental value and various traditional uses in herbal medicine.

Description

Species within the Combretum genus exhibit a wide range of growth forms, including woody shrubs, vines (lianas), and trees, some reaching up to 10-15 meters in height. Leaves are generally simple and opposite, though some species have whorled leaves. The flowers, often arranged in spikes or heads, are typically small and colorful, with four petals and four sepals, which can be red, orange, yellow, or white, attracting a variety of pollinators including insects and birds. The fruit is a distinctive four-winged samara, which aids in wind dispersal.

Distribution and Habitat

Combretum species are widely distributed across tropical and subtropical regions of Africa, Asia, Central America, and South America. They thrive in a variety of habitats, from dry savannas to moist forests, indicating the genus's adaptability to different environmental conditions.

Ecological Importance

Combretum plays a crucial role in its ecosystems, providing food and shelter for numerous species. The flowers are a source of nectar for pollinators, while the dense foliage offers nesting sites for birds. The samaras are consumed by various animals, aiding in seed dispersal.

Uses

Many Combretum species are used in traditional medicine across different cultures, believed to treat a range of ailments from skin diseases to gastrointestinal disorders. Some species have been studied for their antimicrobial and antioxidant properties, though scientific evidence supporting traditional uses is variable. In addition to medicinal uses, Combretum species are also used for timber, firewood, and as ornamental plants due to their attractive flowers and foliage.

Conservation

While many Combretum species are abundant and not currently at risk, habitat destruction and overharvesting for medicinal and other uses pose threats to certain species. Conservation efforts are necessary to ensure the sustainability of these plants, particularly those with restricted distributions or known to be under pressure from human activities.

Selected Species

There are over 370 species in the Combretum genus, including:

• Combretum albidum
• Combretum fruticosum (Orange Flame Vine)
• Combretum indicum (Rangoon Creeper)
• Combretum micranthum (Kinkeliba)
• Combretum rotundifolium

See Also

• Herbal medicine
• Pollination
• Seed dispersal