Cortaderia
3 species naturalized Aust.; all states and territories except NT
Large coarse dioecious or gynodioecious tussocky perennials. Leaves mostly towards the base of the culms. Inflorescence a large silvery silky panicle sometimes pinkish or purplish. Spikelets usually unisexual, disarticulating below the glumes; males with a usually sterile ovary. Glumes white or pinkish, papery. Lemmas with a slender terminal awn, glabrous in the male, silky hairy in the female.