palmiet
/ˈpalmiːt/ /palˈmiːt/noun
A South African rush, Prionium serratum (family Juncaceae), with a woody stem and a large panicle arising from a terminal tuft of long, fibrous, serrated leaves, common in swamps and on riverbanks and sometimes blocking watercourses with its dense growth.
Origin
Late 18th century; earliest use found in Georg Forster (1754–1794), traveller and naturalist. From South African Dutch palmiet from Dutch palmiet palm heart, either from Spanish palmito or from Portuguese palmito.