CR

Arisaema kawashimae

Declining

Overview

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

Arisaema kawashimae faces severe population decline due to extremely limited distribution in Japan's montane forests. The species is threatened by habitat degradation from logging activities and forest management practices that alter the understory conditions essential for its survival. Climate change poses an additional threat as warming temperatures may shift suitable habitat zones beyond the species' current elevational range.

Threat summary

Habitat

This species inhabits cool, moist understory environments in montane deciduous and mixed forests of Japan, typically growing in humus-rich soils with partial shade. It occurs at specific elevational zones where temperature and moisture conditions remain stable throughout its growing season.

Forest· major

Conservation measures underway

Site/area protection

Frequently asked questions

Why is Arisaema kawashimae classified as Critically Endangered?
Arisaema kawashimae 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. Arisaema kawashimae faces severe population decline due to extremely limited distribution in Japan's montane forests. The species is threatened by habitat degradation from logging activities and forest management practices that alter the understory conditions essential for its survival. Climate change poses an additional threat as warming temperatures may shift suitable habitat zones beyond the species' current elevational range.
Where does Arisaema kawashimae live?
Arisaema kawashimae occurs in Japan. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Arisaema kawashimae?
The main threats to Arisaema kawashimae are 2.1, 5.1, 5.3, and 5.4. The full IUCN-classified threat record for this species is detailed on the species page.

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