Thysanotus acerosifolius Brittan

Rootstock 5-15 mm diam., enclosed by bracts and persistent leaf bases; roots tuberous; tubers cylindrical-ellipsoidal, 15-50 mm long, 4-7 mm diam., 4-9 cm from rootstock. Leaves annual, 10-15, filiform, 9-24 cm long. Inflorescence paniculate, 15-30 cm long; umbels 3-or 4-flowered; pedicels 6-7 mm long, articulated 2-3 mm from base, nodding in fruit. Perianth segments 10 mm long. Sepals linear, 1.5 mm wide. Petals ovate, c. 5 mm wide, tapering to acute point; fimbriae 2-3 mm long. Stamens 6; 3 outer anthers 3 mm long, 3 inner 4 mm long. Style c. 4.5 mm long. Seeds not seen.

Grows in sandplain vegetation, sometimes in association with granite rock.