CR

Pipturus grantii

Unknown

Overview

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

Pipturus grantii faces severe population decline due to habitat destruction from urban development and agricultural expansion across its limited Hawaiian range. Invasive plant species compete directly with this endemic nettle for resources and alter the native forest understory composition. The species' restricted distribution makes it particularly vulnerable to stochastic events and continued habitat fragmentation.

Threat summary

Habitat

This endemic Hawaiian nettle inhabits mesic to wet native forests, typically growing in the understory of mixed native tree communities at elevations between 300-1,200 meters. It requires well-drained volcanic soils and partial shade conditions provided by the native forest canopy.

Other threatened species in URTICACEAE

VU

Urera cuneata

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CR

Haroldiella sykesii

Unknown
CR

Pipturus tooviianus

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CR

Neraudia kauaiensis

Declining

Frequently asked questions

Why is Pipturus grantii classified as Critically Endangered?
Pipturus grantii 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. Pipturus grantii faces severe population decline due to habitat destruction from urban development and agricultural expansion across its limited Hawaiian range. Invasive plant species compete directly with this endemic nettle for resources and alter the native forest understory composition. The species' restricted distribution makes it particularly vulnerable to stochastic events and continued habitat fragmentation.
Where does Pipturus grantii live?
Pipturus grantii 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 Pipturus grantii?
The main threats to Pipturus grantii 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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