Areca macrocalyx, the highland betel nut palm, is a palm in the family Arecaceae. It is native to New Guinea and surrounding islands.
Description Areca macrocalyx grows up to tall, with a single stem of diameter up to . The leaves measure up to long. The , erect or hanging down, is up to long and becomes club-like when fruiting. The fruit measures up to long.
Distribution and habitat Areca macrocalyx is native to New Guinea, the Maluku Islands, the Bismarck Archipelago and the Solomon Islands. Its habitat is in forests, to elevations of .
Conservation Areca macrocalyx has been assessed as least concern on the IUCN Red List. It is widespread within its range and is present in numerous protected areas.
Uses Areca macrocalyx is locally used as building material. The palm heart is edible. The fruit is used in traditional medicine.
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