CR

Psychotria gagneorum

Declining

Overview

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

Psychotria gagneorum faces severe threats from habitat destruction due to urban development and agricultural expansion across its limited Hawaiian range. Invasive plant species compete directly with this endemic coffee family shrub, altering forest composition and reducing available growing space. The species' extremely restricted distribution makes it particularly vulnerable to stochastic events and localized disturbances that could eliminate entire populations.

Threat summary

Habitat

This endemic Hawaiian shrub inhabits mesic to wet native forests on volcanic slopes, typically growing in understory conditions beneath native canopy trees. It requires well-drained soils and specific moisture conditions found in mid-elevation forest ecosystems between 300-800 meters elevation.

Other threatened species in RUBIACEAE

EN

Arachnothryx tacanensis

Declining
CR

Arachnothryx tenorioi

Unknown
VU

Aidia abeidii

Unknown
EN

Arachnothryx tuxtlensis

Declining

Frequently asked questions

Why is Psychotria gagneorum classified as Critically Endangered?
Psychotria gagneorum 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. Psychotria gagneorum faces severe threats from habitat destruction due to urban development and agricultural expansion across its limited Hawaiian range. Invasive plant species compete directly with this endemic coffee family shrub, altering forest composition and reducing available growing space. The species' extremely restricted distribution makes it particularly vulnerable to stochastic events and localized disturbances that could eliminate entire populations.
Where does Psychotria gagneorum live?
Psychotria gagneorum 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 Psychotria gagneorum?
The main threats to Psychotria gagneorum 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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