Thysanotus

Tufted or shortly rhizomatous perennial herbs. Roots fibrous to tuberous. Leaves annual or perennial, often withering early, sometimes absent. Inflorescence a panicle or raceme, flowers in umbels or single. Flowers bisexual, sepals linear to lanceolate with membranous margins, petals elliptic with fringed margins; stamens 3 or 6, filaments filiform, anthers basifixed, dehiscing by apical pores or longitudinal slits; ovary superior, 3-locular, ovules usually 2 per locule; style filiform, stigma minute, capitate. Fruit a loculicidally dehiscent capsule enclosed by the persistent perianth; seeds arillate, black.