CR

Myristica robusta

Unknown

Overview

Myristica robusta is a species of flowering plant in the family Myristicaceae. It is a tree endemic to the Maluku Islands in Indonesia. It is a critically endangered species threatened by habitat loss.

Myristica robusta faces severe population decline primarily due to extensive deforestation and habitat conversion throughout its native range in Southeast Asian lowland forests. Commercial logging operations and agricultural expansion, particularly oil palm plantations, have fragmented and destroyed the primary rainforest ecosystems this nutmeg species requires for survival. The species' limited dispersal ability and specific pollination requirements make it particularly vulnerable to habitat fragmentation, preventing natural regeneration in isolated forest patches.

Threat summary

Habitat

Myristica robusta inhabits primary lowland tropical rainforests, typically occurring in well-drained soils of river valleys and lower mountain slopes up to 800 meters elevation. The species requires intact forest canopy and is associated with mature forest ecosystems that provide the specific microclimate conditions necessary for its growth and reproduction.

Forest· major

Conservation measures underway

Ex-situ conservation

Frequently asked questions

Why is Myristica robusta classified as Critically Endangered?
Myristica robusta 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. Myristica robusta faces severe population decline primarily due to extensive deforestation and habitat conversion throughout its native range in Southeast Asian lowland forests. Commercial logging operations and agricultural expansion, particularly oil palm plantations, have fragmented and destroyed the primary rainforest ecosystems this nutmeg species requires for survival. The species' limited dispersal ability and specific pollination requirements make it particularly vulnerable to habitat fragmentation, preventing natural regeneration in isolated forest patches.
Where does Myristica robusta live?
Myristica robusta occurs in Indonesia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Myristica robusta?
The main threats to Myristica robusta are 3.2, 5.3, 5.4, and ai-1. The full IUCN-classified threat record for this species is detailed on the species page.

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