EN

Siemensia pendula

Unknown

Overview

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

Siemensia pendula faces severe threats from habitat destruction due to agricultural expansion and urban development across its limited range. The species' specialized ecological requirements make it particularly vulnerable to environmental changes, with fragmented populations showing declining reproductive success. Mining activities and infrastructure development have further reduced available habitat, while climate change is altering the moisture and temperature conditions essential for this species' survival.

Threat summary

Habitat

Siemensia pendula inhabits specialized microhabitats within temperate forests and woodland edges, typically requiring specific moisture and substrate conditions. The species shows strong preference for areas with particular soil chemistry and canopy cover that provide the precise environmental conditions necessary for its survival.

Other threatened species in Rubiaceae

CR

Psychotria tahitensis

Unknown
CR

Machaonia urbinoi

Unknown
CR

Rondeletia bicolor

Unknown
CR

Scolosanthus acunae

Unknown

Frequently asked questions

Why is Siemensia pendula classified as Endangered?
Siemensia pendula is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Siemensia pendula faces severe threats from habitat destruction due to agricultural expansion and urban development across its limited range. The species' specialized ecological requirements make it particularly vulnerable to environmental changes, with fragmented populations showing declining reproductive success. Mining activities and infrastructure development have further reduced available habitat, while climate change is altering the moisture and temperature conditions essential for this species' survival.
Where does Siemensia pendula live?
Siemensia pendula 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 Siemensia pendula?
The main threats to Siemensia pendula 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.

Get weekly conservation intelligence

One short digest a week of the most striking species and country data we ship, plus breaking conservation news paired with our database where it matters.

Free, no spam. One-click unsubscribe in every email.