arrowgrass


arrowgrass

(ˈærəʊˌɡrɑːs) n (Plants) either of two species, sea arrowgrass (Triglochin maritima) or marsh arrowgrass (T. palustris), of monocotyledonous perennials having long thin fleshy leaves and spikes of inconspicuous flowers[C18: named from the shape of the fruits when open]