VU

Cyrtandra nadeaudii

Declining

Overview

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

Cyrtandra nadeaudii faces severe pressure from invasive plant species that outcompete native vegetation and alter forest understory conditions essential for its survival. Habitat degradation from feral ungulates, particularly pigs and goats, damages the delicate forest floor ecosystems where this endemic Hawaiian plant thrives. Climate change poses an additional threat through altered precipitation patterns and increased storm intensity, which can disrupt the moist forest conditions this species requires.

Threat summary

Habitat

Cyrtandra nadeaudii is endemic to the Hawaiian Islands, where it inhabits moist to wet native forests in mountainous regions. The species typically grows in shaded understory environments with rich, well-drained soils and consistent moisture levels.

Other threatened species in GESNERIACEAE

EN

Streptocarpus brachynema

Declining
EN

Streptocarpus erubescens

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VU

Pearcea cordata

Unknown
EN

Streptocarpus burundianus

Unknown

Frequently asked questions

Why is Cyrtandra nadeaudii classified as Vulnerable?
Cyrtandra nadeaudii 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. Cyrtandra nadeaudii faces severe pressure from invasive plant species that outcompete native vegetation and alter forest understory conditions essential for its survival. Habitat degradation from feral ungulates, particularly pigs and goats, damages the delicate forest floor ecosystems where this endemic Hawaiian plant thrives. Climate change poses an additional threat through altered precipitation patterns and increased storm intensity, which can disrupt the moist forest conditions this species requires.
Where does Cyrtandra nadeaudii live?
Cyrtandra nadeaudii 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 nadeaudii?
The main threats to Cyrtandra nadeaudii 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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