pingao
/ˈpɪŋaʊ/(also pingau) NZ
noun
A New Zealand sedge, Desmoschoenus spiralis, which has golden-brown foliage and long rhizomes that help to stabilize sand dunes.
Origin
Mid 19th century; earliest use found in Joseph Hooker (1817–1911), botanist. From Maori pīngao.