VU

Palicourea calothyrsus

Unknown

Overview

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

Palicourea calothyrsus faces primary threats from ongoing deforestation and habitat fragmentation within its restricted range in Costa Rican cloud forests. Agricultural expansion, particularly coffee cultivation and cattle ranching, continues to reduce and isolate remaining forest patches. Climate change poses an additional threat by altering the specific temperature and humidity conditions required by this cloud forest specialist.

Threat summary

Habitat

This species is endemic to the cloud forests of Costa Rica's mountain ranges, typically occurring at elevations between 1,200-2,000 meters. It inhabits the understory and forest edges of these perpetually moist montane forests, which are characterized by persistent cloud cover and high humidity levels.

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 Palicourea calothyrsus classified as Vulnerable?
Palicourea calothyrsus 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. Palicourea calothyrsus faces primary threats from ongoing deforestation and habitat fragmentation within its restricted range in Costa Rican cloud forests. Agricultural expansion, particularly coffee cultivation and cattle ranching, continues to reduce and isolate remaining forest patches. Climate change poses an additional threat by altering the specific temperature and humidity conditions required by this cloud forest specialist.
Where does Palicourea calothyrsus live?
Palicourea calothyrsus 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 Palicourea calothyrsus?
The main threats to Palicourea calothyrsus 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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