Dioecious evergreen palm growing to 20 m in height. Solitary fibrous trunk with persistent leaf bases. Fan shaped leaves (1m) from a spiny petiole (60cm-1m long). Flowers in panicles (<1m), male flowers yellow, female flowers green on separate plants. Fruit yellow to blue-black, kidney-shaped (10–12 mm long), ripening in autumn.
Terrestrial. Disturbed bush and shrubland margins, river and stream edges, wetlands.
People, wind. Possibly large birds eg. kereru.
Widely planted as an ornamental species, it appears drought and cold tolerant, and has the potential to pose a threat to native bush and riparian areas. It may compete with some native understorey and edge species. Naturalised plants have been recorded on Little Barrier, Kawau, and Waiheke Islands as well on the mainland- Manurewa, Epsom, Auckland Domain and near Lake Pupuke.
This species is included because it is one of the species to be researched in the 2007-2012 Auckland Regional Pest Management Strategy.
Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.