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DescriptionLarge palm tree. Stems erect, up to 20 m, with a distinct swelling above the middle. Leaves crowded on top of the stem, fan-shaped, blue-green up to 4 m including the petiole. Petiole armed with recurved thorns. Flowers in large branched sprays, unisexual on separate trees, female flowers larger than male. Fruit large, 12-18 cm in diameter, subspherical, orange-brown.