Xanthorrhoea australis R.Br.

Trunk to 3 m; stem often branched; crowns 1 to many, each with young leaves in erect tuft, spreading with age; old leaves often reflexed, crown ±spherical. Leaves quadrate-rhombic to transverse-rhombic in T.S., occasionally depressed-obtrullate, 1.2-3 mm wide, 1-2.2 mm thick, blue-grey, glaucous. Scape 30-50 cm long, 18-40 mm diam. Spike 2-6 times as long as scape, 110-180 cm long, rarely to 2.5 m, 50-80 mm diam. Cluster-bracts very prominent, elongated, subulate, glabrous. Packing-bracts elongated, subulate, glabrous. Sepals triangular to narrowly triangular, with long beak, with proboscis, glabrous. Petals erect to slightly recurved, with proboscis, glabrous except papillose hairs at apex.

It grows in temperate regions. It can grow in subtropical and semi-arid places. It grows at Rocky Cape National Park in Tasmania. It can stand heavy frosts. It can grow in full sun or light shade. It suits hardiness zones 9-11. Tasmanian Herbarium. Hobart Botanical Gardens. Arboretum Tasmania.

Plants can be grown from seed. Seed often take 12 months to germinate.