Archontophoenix maxima, the Walsh River palm, is the largest species of the genus Archontophoenix. It is endemic to Queensland, Australia.[3][4] This robust palm grows in rainforest at altitudes between 800 and 1,200 m (2,600 and 3,900 ft) on the Walsh River and the adjacent Mount Haig Range in the Atherton Tablelands at approximately 17° South latitude.[4]
The Walsh River palm grows up to 25 m (82 ft) metres tall, with a trunk up to 30 cm (12 in) in diameter with an expanded base. The rigidly-held, erect leaves are up to 4 m (13 ft) long, and have a slight sideways twist. The massive branched inflorescence is up to 1.5 m (5 ft) long, and bear white flowers. When ripe, the fruit is red and 13–15 mm (0.5–0.6 in) in length. The flowers closely resemble those of A. alexandrae.
Archontophoenix maxima, the Walsh River palm, is the largest species of the genus Archontophoenix. It is endemic to Queensland, Australia. This robust palm grows in rainforest at altitudes between 800 and 1,200 m (2,600 and 3,900 ft) on the Walsh River and the adjacent Mount Haig Range in the Atherton Tablelands at approximately 17° South latitude.