EN

Isonandra villosa

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Isonandra villosa faces severe pressure from deforestation and logging activities throughout its native range in Southeast Asian tropical forests. The species' slow growth rate and specific habitat requirements make it particularly vulnerable to forest fragmentation, as remaining populations become isolated in increasingly small forest patches. Commercial timber extraction has historically targeted this valuable hardwood species, while agricultural expansion continues to reduce available habitat.

Threat summary

Habitat

Isonandra villosa occurs in primary and secondary tropical rainforests, typically in lowland and hill dipterocarp forests up to 800 meters elevation. The species requires well-drained soils and is often found in mixed species stands within the forest canopy layer.

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Frequently asked questions

Why is Isonandra villosa classified as Endangered?
Isonandra villosa is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Isonandra villosa faces severe pressure from deforestation and logging activities throughout its native range in Southeast Asian tropical forests. The species' slow growth rate and specific habitat requirements make it particularly vulnerable to forest fragmentation, as remaining populations become isolated in increasingly small forest patches. Commercial timber extraction has historically targeted this valuable hardwood species, while agricultural expansion continues to reduce available habitat.
Where does Isonandra villosa live?
Isonandra villosa occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Isonandra villosa?
The main threats to Isonandra villosa are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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