CR

Grewia tahitensis

Declining

Overview

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

Grewia tahitensis faces severe threats from habitat destruction due to urban development and agricultural expansion across its limited range in French Polynesia. Invasive plant species compete directly with this endemic shrub for resources and space, while introduced herbivores damage remaining populations through browsing pressure. The species' extremely restricted distribution makes it particularly vulnerable to stochastic events and human disturbance.

Threat summary

Habitat

This endemic shrub occurs in lowland dry forests and coastal scrublands of French Polynesia, typically growing on volcanic soils in areas with seasonal rainfall patterns. It favors well-drained slopes and forest edges where it can access adequate sunlight while maintaining some protection from salt spray.

Other threatened species in MALVACEAE

VU

Acaulimalva oriastrum

Unknown
CR

Acropogon horarius

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VU

Nototriche turritella

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EN

Dombeya rariflora

Declining

Frequently asked questions

Why is Grewia tahitensis classified as Critically Endangered?
Grewia tahitensis 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. Grewia tahitensis faces severe threats from habitat destruction due to urban development and agricultural expansion across its limited range in French Polynesia. Invasive plant species compete directly with this endemic shrub for resources and space, while introduced herbivores damage remaining populations through browsing pressure. The species' extremely restricted distribution makes it particularly vulnerable to stochastic events and human disturbance.
Where does Grewia tahitensis live?
Grewia tahitensis 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 Grewia tahitensis?
The main threats to Grewia tahitensis 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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