CR

Cyrtandra jonesii

Declining

Overview

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

Cyrtandra jonesii faces severe threats from habitat destruction due to agricultural expansion and urban development in its limited Hawaiian range. The species' extremely restricted distribution makes it particularly vulnerable to invasive plant species that alter native forest understory conditions. Climate change poses additional risks through altered precipitation patterns that could affect the moist forest conditions this species requires.

Threat summary

Habitat

Cyrtandra jonesii inhabits moist native forests in the Hawaiian Islands, typically found in shaded understory environments with high humidity and consistent moisture. The species requires specific microclimate conditions found in intact native forest ecosystems at mid-elevations.

Other threatened species in GESNERIACEAE

EN

Streptocarpus brachynema

Declining
EN

Streptocarpus erubescens

Declining
VU

Pearcea cordata

Unknown
EN

Streptocarpus burundianus

Unknown

Frequently asked questions

Why is Cyrtandra jonesii classified as Critically Endangered?
Cyrtandra jonesii is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Cyrtandra jonesii faces severe threats from habitat destruction due to agricultural expansion and urban development in its limited Hawaiian range. The species' extremely restricted distribution makes it particularly vulnerable to invasive plant species that alter native forest understory conditions. Climate change poses additional risks through altered precipitation patterns that could affect the moist forest conditions this species requires.
Where does Cyrtandra jonesii live?
Cyrtandra jonesii 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 Cyrtandra jonesii?
The main threats to Cyrtandra jonesii 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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