Trevor James, AgResearchLeaves are round and hollow, or bristle-like
Trevor James, AgReserach / Allan Herbarium, Landcare ResearchStems are smooth to the touch, or have more than 30 ridges
Trevor James, AgResearchFlowers are several to many per flowering stem, usually less than 5 mm long
Trevor James, AgResearch / Allan Herbarium, Landcare Research / Auckland Museum HerbariumPith is not cobwebby, and stems are wiry
Auckland Museum Herbarium / Trevor James, AgResearchStem ridges are distinct, and base sheaths are pink or red-brown in colour
Kerry Bodmin, NIWA / Bush Heritage Australia / Paul Champion, NIWAStem ridges are not distinct, and base sheaths are golden to dark straw brown
Trevor James, AgResearchFlowers are evenly distributed on branches/branchlets
