Browsing items filed under: Free Draining/Volcanic × Heavy Clay Loam × Moist/damp × Wetland/Bog × Apodasmia similis Oioi, segmented rush Wetland rush with bluish/green foliage. Cordyline australis Cabbage tree, ti kouka One of our best known and distinctive trees found throughout the country. Cyathea medullaris Mamaku, black ponga Tallest of the tree ferns