VU

Pittosporum dallii

Unknown

Overview

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

Pittosporum dallii faces significant pressure from habitat degradation due to agricultural expansion and urban development across its limited range in New Zealand. Invasive plant species compete directly with native populations, while browsing by introduced mammals damages regeneration. The species' naturally fragmented distribution makes remaining populations particularly vulnerable to local extinctions from these combined pressures.

Threat summary

Habitat

This endemic New Zealand shrub occurs in coastal and lowland forest margins, scrublands, and rocky outcrops, typically on well-drained soils. It favors disturbed forest edges and regenerating native vegetation communities at elevations from sea level to approximately 600 meters.

Forest· majorForest - Temperate· major

Other threatened species in PITTOSPORACEAE

VU

Pittosporum croceum

Declining
VU

Pittosporum echinatum

Declining
VU

Pittosporum kaalense

Declining
VU

Pittosporum lanipetalum

Stable

Frequently asked questions

Why is Pittosporum dallii classified as Vulnerable?
Pittosporum dallii 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. Pittosporum dallii faces significant pressure from habitat degradation due to agricultural expansion and urban development across its limited range in New Zealand. Invasive plant species compete directly with native populations, while browsing by introduced mammals damages regeneration. The species' naturally fragmented distribution makes remaining populations particularly vulnerable to local extinctions from these combined pressures.
Where does Pittosporum dallii live?
Pittosporum dallii 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 Pittosporum dallii?
The main threats to Pittosporum dallii 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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