Thysanotus cymosus Brittan

Rootstock small; roots fibrous with few ellipsoidal tubers 1-1.5 cm long, c. 5-7 cm from stock. Leaves annual, 2 or 3, linear, terete, 20-30 cm long, surrounded by sheaths of old leaves. Inflorescence cymose; scape 20-25 cm long; umbels 4-6-flowered; pedicels 10 mm long, articulated near base, nodding in fruit. Perianth segments 9-10 mm long. Sepals linear, 1.5 mm wide, shortly mucronate. Petals elliptic, 6-7 mm wide; fimbriae 2.5-3 mm long. Stamens 6; 3 outer anthers 3 mm long, 3 inner 4.5 mm long. Style 4 mm long. Seeds not seen.

Grows in sandplain remnants with mallee eucalypts, in sandy loam soil, often near granite rock.