Dianella tasmanica Hook.F.

Plant to 0.9 m high, tufted, solitary; tufts to 0.3 m wide at base. Roots fibrous. Stems less than 10 cm long, touching or up to 15 cm apart. Leaves 20-95 cm long; sheath conduplicate, ±completely occluded distally; lamina 1.4-3.2 cm wide, ±recurved in T.S., cucullate, obtuse. Inflorescence shorter than or exceeding foliage, narrowly cylindrical to conical in outline; cymules contracting distally, 2-5-flowered; pedicels 5-22 mm long, evenly rounded. Perianth segments narrowly ovate to elliptic, lavender to violet. Sepals 8-10 mm long, 5-7-nerved. Petals 7-9.5 mm long, 5-nerved. Filament swelling 2.3-3 mm long, golden yellow; anthers 2.3-3 mm long, pale yellow. Ovules 6-12 per locule. Berry 1.2-2.5 cm long. Seed 3-4 mm long; testa smooth but minutely areolate, black, shiny.

It is a temperate plant and will grow in the subtropics. It needs well drained soil. It can grow in full sun or light shade. It is frost hardy. It grows naturally in damp sites under forest. In Tasmania it grows from sea level to 800 m altitude. In Hobart Botanical gardens. Melbourne Botanical Gardens. It suits hardiness zones 8-10. Tasmanian Herbarium.

The fruit can be used for jam.

Plants can be grown from seed or by division of the clump. Seeds need to be leached for a long period of time.