VU

Mesua ferrea

Declining

Overview

Mesua ferrea is a large evergreen tree reaching heights of 30-35 meters, distinguished by its dense, dark green canopy and distinctive four-petaled white flowers with prominent yellow stamens. The species produces hard, durable timber that gives it the common name "iron wood." These trees play crucial ecological roles as canopy dominants in tropical forest ecosystems, providing habitat for numerous species and contributing to forest structure and biodiversity.

The species occurs across South and Southeast Asia, from the foothills of the Himalayas through the Indian subcontinent to the Malay Peninsula and Indonesian archipelago. It inhabits subtropical and tropical moist lowland forests, typically in areas with high rainfall and well-drained soils.

Mesua ferrea faces significant pressure from infrastructure development, with roads and railroads fragmenting its forest habitat. Dam construction and water management projects alter the hydrological conditions these trees require. Agricultural expansion, particularly non-timber crop cultivation, continues to reduce available habitat as forests are cleared for farming operations.

Conservation efforts include protection within national parks and forest reserves across its range, particularly in India, Thailand, and Malaysia. Several countries have implemented logging restrictions, and the species is cultivated in botanical gardens for ex-situ conservation. Research programs are documenting remaining populations and studying propagation techniques.

The species' outlook remains concerning due to continued habitat loss and fragmentation. While some populations persist in protected areas, the overall declining trend reflects ongoing development pressures across its range. Success of conservation efforts will largely depend on effective habitat protection and sustainable forest management practices.

Mesua ferrea trees are threatened by the construction of roads and railways that fragment their forest habitat, dams and water management projects that alter natural water flows, and the conversion of their native forests to farmland for growing crops like rice, sugarcane, and other agricultural plants. These threats are all currently ongoing and actively affecting the species' survival.

Threat summary

Habitat

Forest· majorForest - Subtropical/tropical moist lowland· major

Conservation measures underway

Habitat & natural process restorationSpecies recoveryEx-situ conservationAwareness & communications

Frequently asked questions

Why is Mesua ferrea classified as Vulnerable?
Mesua ferrea is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Mesua ferrea trees are threatened by the construction of roads and railways that fragment their forest habitat, dams and water management projects that alter natural water flows, and the conversion of their native forests to farmland for growing crops like rice, sugarcane, and other agricultural plants. These threats are all currently ongoing and actively affecting the species' survival.
Where does Mesua ferrea live?
Mesua ferrea occurs in Bangladesh, Bhutan, Cambodia, China, India, and Indonesia (plus 8 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Mesua ferrea?
The main threats to Mesua ferrea are 2.1, 4.1, and 7.2. The full IUCN-classified threat record for this species is detailed on the species page.

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