VU

Clausena calciphila

Unknown

Overview

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

Clausena calciphila faces significant pressure from limestone quarrying activities that directly destroy its specialized calcareous habitat. The species' restricted range on limestone formations makes it particularly vulnerable to habitat fragmentation, as quarrying operations fragment the continuous limestone substrates essential for its survival. Agricultural expansion and infrastructure development in limestone regions further reduce available habitat patches.

Threat summary

Habitat

This species is endemic to limestone formations and calcareous soils, typically found in limestone karst landscapes and rocky outcrops. It grows in specialized alkaline conditions created by weathered limestone substrates, often in areas with thin soils over limestone bedrock.

Rocky areas· major

Other threatened species in RUTACEAE

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Melicope quadrangularis

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Melicope wawraeana

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Vepris drummondii

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Zanthoxylum mildbraedii

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Frequently asked questions

Why is Clausena calciphila classified as Vulnerable?
Clausena calciphila 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. Clausena calciphila faces significant pressure from limestone quarrying activities that directly destroy its specialized calcareous habitat. The species' restricted range on limestone formations makes it particularly vulnerable to habitat fragmentation, as quarrying operations fragment the continuous limestone substrates essential for its survival. Agricultural expansion and infrastructure development in limestone regions further reduce available habitat patches.
Where does Clausena calciphila live?
Clausena calciphila 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 Clausena calciphila?
The main threats to Clausena calciphila 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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