Norfolk Skullcap
CR

Norfolk Skullcap

Scutellaria hastifolia

Unknown

Photo: Photo: Wikimedia Commons, CC BY-SA

Overview

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

Norfolk Skullcap faces severe threats from its extremely limited distribution on Norfolk Island, where habitat degradation from invasive plant species and historical land clearing have significantly reduced suitable growing areas. The species' small population size makes it highly vulnerable to stochastic events and genetic bottlenecks, while ongoing pressure from introduced weeds continues to degrade its remaining habitat.

Threat summary

Habitat

Norfolk Skullcap occurs in coastal cliff areas, rocky outcrops, and remnant native vegetation on Norfolk Island. The species typically grows in well-drained soils among native shrublands and forest margins in exposed coastal environments.

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Frequently asked questions

Why is Norfolk Skullcap classified as Critically Endangered?
Norfolk Skullcap 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. Norfolk Skullcap faces severe threats from its extremely limited distribution on Norfolk Island, where habitat degradation from invasive plant species and historical land clearing have significantly reduced suitable growing areas. The species' small population size makes it highly vulnerable to stochastic events and genetic bottlenecks, while ongoing pressure from introduced weeds continues to degrade its remaining habitat.
Where does Norfolk Skullcap live?
Norfolk Skullcap 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 Norfolk Skullcap?
The main threats to Norfolk Skullcap 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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