Phytelephas macrocarpa

Large-seeded Ivory Nut Palm

Country Of Origin: Brazil

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About Phytelephas macrocarpa

This is a solitary, trunkless or very short-trunked palm that grows close to the forest floor, with its massive feather-shaped leaves emerging directly from ground level to form a dense, rounded crown. The leaves can reach extraordinary lengths of up to 8 meters, arching gracefully outward and giving the palm a bold, tropical presence in its native rainforest habitat. The flowering structures emerge low among the leaves, and female plants produce large, woody fruit clusters that resemble oversized brown pinecones resting near the ground. Inside these fruits are several large seeds containing a hard, white interior that closely resembles animal ivory in texture and appearance. This remarkable palm is best known as the original source of “vegetable ivory,” a material historically used to make buttons, jewelry, and carved objects before plastics became widespread.

Climate Zone 10a
Min Temp (F/C) 30 to 35 F / -1 to 2 C
Leaf Type Pinnate
Height 30 Ft / 9.1 M
Growth Rate Slow
Habit Solitary
Soil pH 6.0-6.9 (Near neutral)
Soil Type Loamy

Cultivation Tips

Plant in a protected garden location with partial to full shade, especially when young. Mature plants can tolerate some filtered sunlight, but intense direct sun should be avoided to prevent leaf damage. This species prefers rich, well-drained soil high in organic matter, similar to the forest floor conditions of its native habitat. Regular watering is essential, as the palm thrives in consistently moist soil and does not tolerate prolonged drought. Fertilize three times per year with a balanced slow-release palm fertilizer to support steady growth and maintain healthy foliage.

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