VU

Scaevola subcapitata

Declining

Overview

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

Scaevola subcapitata faces severe pressure from coastal development and tourism infrastructure along its restricted range in the Hawaiian Islands. The species is particularly vulnerable to habitat degradation from invasive plant species that outcompete native coastal vegetation. Sea level rise and increased storm intensity threaten the low-lying coastal areas where this endemic shrub naturally occurs.

Threat summary

Habitat

This endemic Hawaiian shrub inhabits coastal strand vegetation and low-elevation dry forests, typically growing on sandy soils and coral-derived substrates near the shoreline. It occurs in areas exposed to salt spray and strong winds, often forming part of the native coastal plant communities that stabilize dune systems.

Other threatened species in GOODENIACEAE

CR

Scaevola hobdyi

Unknown
VU

Scaevola chanii

Stable
VU

Scaevola verticillata

Stable
VU

Scaevola procera

Declining

Frequently asked questions

Why is Scaevola subcapitata classified as Vulnerable?
Scaevola subcapitata 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. Scaevola subcapitata faces severe pressure from coastal development and tourism infrastructure along its restricted range in the Hawaiian Islands. The species is particularly vulnerable to habitat degradation from invasive plant species that outcompete native coastal vegetation. Sea level rise and increased storm intensity threaten the low-lying coastal areas where this endemic shrub naturally occurs.
Where does Scaevola subcapitata live?
Scaevola subcapitata 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 Scaevola subcapitata?
The main threats to Scaevola subcapitata 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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