Astelia trinervia (Kauri grass)
Species: A. trinervia
Binomial name: Astelia trinervia
Common name: Kauri grass
Astelia trinervia is a slow growing rhizomatous tufted herbaceous monocotyledon perennial and is the tallest of the New Zealand native Astelias growing to a height of 2.5m with a width of 2m. It is usually terrestrial but occasionally will grow as low epiphyte.
In the North Island it is common from Te Paki (the northern most tip of the North Island) to near Awakino (100 km northeast of New Plymouth) in the west and Tauranga in the east. In the South Island known only from North West Nelson.
It is a common constituent of kauri forest of Northern New Zealand as implied by its common name.
It bears inflorescences of small red / pink flowers in autumn/early winter and these develop into red berries. Seed dispersal is by birds.
The Maori used the leaves for thatching.
These photos in Otari-Wilton's Bush Wellington New Zealand
Top surface of a leaf.
Underside of a leaf