VU

Trigonostemon lychnos

Unknown

Overview

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

Trigonostemon lychnos faces severe pressure from deforestation and agricultural expansion across its limited range in Southeast Asian tropical forests. The species' restricted distribution makes it particularly vulnerable to habitat fragmentation, while logging operations and palm oil plantation development continue to reduce available forest cover. Climate change poses an additional threat through altered precipitation patterns that may affect the humid forest conditions this species requires.

Threat summary

Habitat

This species inhabits humid tropical rainforests and secondary forest areas in Southeast Asia, typically found in the understory of lowland and hill forests. It requires well-drained soils and consistent moisture levels characteristic of intact forest ecosystems.

Forest· majorShrubland· major

Conservation measures underway

Site/area protectionEx-situ conservation

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Frequently asked questions

Why is Trigonostemon lychnos classified as Vulnerable?
Trigonostemon lychnos 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. Trigonostemon lychnos faces severe pressure from deforestation and agricultural expansion across its limited range in Southeast Asian tropical forests. The species' restricted distribution makes it particularly vulnerable to habitat fragmentation, while logging operations and palm oil plantation development continue to reduce available forest cover. Climate change poses an additional threat through altered precipitation patterns that may affect the humid forest conditions this species requires.
Where does Trigonostemon lychnos live?
Trigonostemon lychnos occurs in Brunei. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Trigonostemon lychnos?
The main threats to Trigonostemon lychnos 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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