1	"Plants twining, prostrate or ascending on other vegetation; flowers solitary"	"Thysanotus patersonii"
1	"Plants not twining, flowering stems erect; flowers in umbels"	2
2	"Plants leafy (although leaves sometimes withered at time of flowering); scape slender, not branched below inflorescence; roots with fleshy tubers"	3
2	"Plants leafless; scape rather rigid, usually branched well below inflorescence; roots arising from a thick, knotty rhizome"	4
3	"Inflorescence slender, little or not branched, with sessile umbels along scape; leaves tenuous, usually withered at time of flowering; tubers long-fusiform; north-west only"	"Thysanotus baueri"
3	"Inflorescence a rather broad panicle of several pedunculate umbels; leaves prominent at time of flowering; tubers ovoid; widespread, but not in north-west"	"Thysanotus tuberosus"
4	"All umbels in inflorescence terminal; perianth segments mostly <12 mm long; damp heathlands of far eastern Victoria"	"Thysanotus juncifolius"
4	"Sessile subterminal umbels present, the inflorescence consequently appearing racemose; perianth segments 12 to 15 mm long; heath and mallee communities of western Victoria"	"Thysanotus racemoides"