Nepenthes holdenii
A fire-adapted pitcher plant known only from a few ridges in the Cardamom Mountains of western Cambodia, at about 600–800 m. In the dry season its climbing stems are often killed by heat and fire, and it resprouts from a long-lived underground stem and thick roots when the rains return. In cultivation it wants strong light, warm days, somewhat cooler nights and a drier, less active winter.
Where it grows wild
It grows on open, fire-swept ridges where lowland and lower montane evergreen forest give way to open pine woodland and grassland, climbing through low scrub and grass. The soil is poor and freely draining. One field observer describes the type locality as the pine belt of Phnom Tumpor and Phnom Dalai, where plants were photographed dead and charred after a fire.
Recorded at about 600–800 m. The single measured climate site sits at 13 m in the central lowlands and is not a real habitat point.
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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.