Nepenthes rajah
The giant pitcher plant of Mount Kinabalu and Mount Tambuyukon in Sabah, Borneo. It grows only on ultramafic (serpentine) soils, as large terrestrial rosettes in open, low graminoid scrub and landslide scars at about 1500–2650 m, often where groundwater seeps.
Where it grows wild
Terrestrial in open, stunted ultramafic scrub, sedge and grass-dominated landslide vegetation and open ridges. It forms rosettes more than 1 m across between low shrubs, often in loose, permanently moist soil fed by seeping groundwater. It favours the most open places with very low tree density and is not a forest-interior plant.
The literature gives 1500–2650 m, and a 2015 plot study found it at 1500–2570 m. The seven wild records with elevation span 1800–2750 m (median 2025 m), close to the published range.
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.