Carpoxylon macrospermum
 
Common Names Aneityum Palm, Carpoxylon Palm
 
Zones 10B–11
 
A rare and majestic palm native to the lowland rainforests of Vanuatu (formerly New Hebrides), Carpoxylon macrospermum is distinguished by its tall, solitary trunk, glossy green crownshaft, and large, obovate red fruits. Once thought extinct, it has been rediscovered and is now cultivated by collectors for its graceful form and botanical significance.
 
Key Features
Growth Habit: Solitary; moderate to fast growth rate
Height: Up to 80 ft (25 m); trunk tapers from a swollen base to ~12 in (30 cm) diameter
Trunk: Smooth, dull green aging to gray; prominent white leaf scar rings; base expanded to 20 in (50 cm)
Crownshaft: Large, columnar; 5–6 ft (1.5–2 m); glossy uniform green
Leaves: Pinnate; strongly arching; stiffly erect pinnae; dark green, closely knit, diametrically opposed
Inflorescence: Branched; emerges below crownshaft; twice-branched spikes with white flowers
Fruit: Obovate; ~3 in (7 cm) long, 1.5 in (4 cm) wide; bright red at maturity; thick woody endocarp with pale streaks
Ecology: Found in humid lowland rainforest; scattered individuals observed near coconut crab burrows
 
Growing Conditions
Light: Filtered light to full sun
Watering: Regular; prefers consistent moisture
Soil: Rich, well-drained loam; avoid limestone-heavy mixes
Temperature: Ideal range 70–90°F (21–32°C); sensitive below 50°F
Humidity: High; thrives in rainforest conditions
Propagation: By seed; slow germination; protect from drying
Tolerance: Sensitive to drought and cold; dislikes wind and poor drainage
 
Landscape Use Ideal for tropical gardens, botanical collections, and conservation-focused plantings. Pairs well with Veitchia joannis, Hydriastele wendlandiana, and Licuala ramsayi.