Egg-Leaf Amazonvine
CR

Egg-Leaf Amazonvine

Stigmaphyllon bannisterioides

Unknown

Photo: Photo: (c) Robin Heymans, some rights reserved (CC BY-NC), uploaded by Robin Heymans

Overview

The Egg-Leaf Amazonvine is a distinctive climbing vine in the Malpighiaceae family, characterized by its oval, egg-shaped leaves and small yellow flowers that bloom in clusters. This neotropical liana plays an important ecological role as a pollinator resource for various insects and provides structural habitat complexity in forest canopies. The vine's twining growth habit allows it to reach the forest canopy where it contributes to the intricate web of epiphytic and climbing plant communities.

The Egg-Leaf Amazonvine faces severe threats primarily from habitat destruction and fragmentation due to deforestation, agricultural expansion, and urban development in its limited range. As a critically endangered species with a highly restricted distribution, any loss of its specialized habitat significantly impacts the remaining populations.

Threat summary

Habitat

This species inhabits humid lowland and montane rainforests of the Amazon basin, typically growing along forest edges, riverbanks, and in secondary growth areas with high canopy cover. It requires well-drained soils with consistent moisture and thrives in the dappled light conditions found beneath the forest canopy.

Frequently asked questions

Why is Egg-Leaf Amazonvine classified as Critically Endangered?
Egg-Leaf Amazonvine 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. The Egg-Leaf Amazonvine faces severe threats primarily from habitat destruction and fragmentation due to deforestation, agricultural expansion, and urban development in its limited range. As a critically endangered species with a highly restricted distribution, any loss of its specialized habitat significantly impacts the remaining populations.
Where does Egg-Leaf Amazonvine live?
Egg-Leaf Amazonvine 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 Egg-Leaf Amazonvine?
The main threats to Egg-Leaf Amazonvine 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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