CR

Croton cycloideus

Unknown

Overview

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

Croton cycloideus faces severe threats from ongoing deforestation and agricultural expansion within its extremely limited range in Madagascar's eastern rainforests. The species' restricted distribution makes it particularly vulnerable to habitat fragmentation, while slash-and-burn agriculture continues to reduce the remaining forest patches where this endemic shrub occurs.

Threat summary

Habitat

This endemic Madagascan species inhabits humid lowland and montane rainforests in the eastern regions of the island. It typically grows in understory conditions within primary forest ecosystems that receive consistent rainfall throughout the year.

Other threatened species in Euphorbiaceae

CR

Bonania erythrosperma

Unknown
CR

Lasiocroton gracilis

Unknown
CR

Acalypha hutchinsonii

Unknown
CR

Croton leonis

Unknown

Frequently asked questions

Why is Croton cycloideus classified as Critically Endangered?
Croton cycloideus 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. Croton cycloideus faces severe threats from ongoing deforestation and agricultural expansion within its extremely limited range in Madagascar's eastern rainforests. The species' restricted distribution makes it particularly vulnerable to habitat fragmentation, while slash-and-burn agriculture continues to reduce the remaining forest patches where this endemic shrub occurs.
Where does Croton cycloideus live?
Croton cycloideus 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 Croton cycloideus?
The main threats to Croton cycloideus 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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