Nepenthes mapuluensis

An endangered pitcher plant known only from limestone mountains of the Sambaliung range in East Kalimantan, Borneo. It grows in stunted vegetation on steep, often inaccessible limestone ridges up to about 850 m, and is extremely rare in cultivation. Treat it as a warm lowland-to-intermediate Nepenthes that wants bright light, high humidity and a free-draining mix.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

No rest periodClimber

Where it grows wild

Stunted vegetation on low limestone summit ridges and karst outcrops. It forms rosettes and then climbs, with stems up to about 6 mm thick and tendrils up to 50 cm. Its roots grow in thin, well-drained soil over limestone rock.

Published range is 50–850 m. It is common on Ilas Mapulu at about 800 m. The single wild record used carries no elevation.

Borneo: East Kalimantan (Sambaliung Mountains, Berau)

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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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.