Macarthur Palm is a palm tree from New Guinea and Australia. Stems grow in
dense clumps or rarely solitary, up to 7 m tall, only 7 cm in diameter,
thus appearing bamboo-like. Leaves are up to 2 m long or more, compound.
Leaflets are 23-28 on each side, more or less regularly arranged, with
margins nearly parallel or tapered at the tip. Inflorescence are up to 60
cm wide. Male flowers are 6-8 mm long, with 26-40 stamens. Fruit is red,
ovoid, 12-16 mm long. Seeds are deeply 3-6-grooved.