The Peninsular Malaysian peat swamp forests form a scattered band of waterlogged lowland forest along both the eastern and western coasts of the Malay Peninsula in Malaysia, part of the Indomalayan realm's tropical moist broadleaf forests. They develop where river-borne sediment and organic debris collect behind mangroves, building deep, permanently flooded, nutrient-poor peat; the water runs black with leached tannins and is strongly acidic, with a pH of roughly 2.9 to 4.5. Dipterocarps dominate the canopy, including Shorea albida and species such as Shorea uliginosa and Gonystylus bancanus, with strangler figs (Ficus) common along the swamp edges. Though less diverse than the surrounding rainforests, these swamps shelter endangered wildlife including tigers, Malayan tapirs, clouded leopards and Asian elephants, yet very little pristine forest remains, with logging, burning, and clearing for oil palm being the chief threats. For gardeners, the region is home to the ornamental red sealing wax palm (Cyrtostachys renda), prized for its scarlet crownshaft.
Marker placed inside the RESOLVE 2017 polygon at 3.2°N, 103.3°E.
Climate snapshot for this ecoregion
°C
°F
Current zone range (2011–2040)
13b
Plotwright
CHELSA-derived typical winter month at this ecoregion's bbox grid.
Projected (2041–2070)
13b
Plotwright
Where the CHELSA models say the typical winter month is heading.
Average warming this ecoregion is on track for: +3.1°F by mid-century. SSP3-7.0 (current trajectory) · CHELSA v2.1 bio06 sampled across 10 of 10 points within this ecoregion's bounding box.
At a glance
Dominant biome
Tropical & Subtropical Moist Broadleaf Forests
Realm
Indomalayan
Approximate area
1,400 sq mi
Conservation tier
Nature Could Reach Half Protected (Dinerstein NNH 2)
About the tropical & subtropical moist broadleaf forests biome
Warm, wet, highly productive forests — including tropical rainforests — with closed canopies, near year-round growing seasons, and the richest terrestrial biodiversity on Earth. Low seasonality and high rainfall sustain dense, layered vegetation from canopy to forest floor.
Catalog plants suited to this ecoregion
No catalog plants intersect this ecoregion's zone range. As the catalog grows to cover this region's climate band, suggestions will surface here.
Collections for this ecoregion
No curated collection's plants all fit this ecoregion's zone range. We surface a collection only when every member would grow here — partial fits get filtered out rather than mislead. As the catalog and the curated set both grow, this section will fill in.
Related ecoregions
Other tropical & subtropical moist broadleaf forests ecoregions to explore: