1	"Stem arborescent or subterranean; leaves wiry, at least 50 cm long, crowded in an apical cluster, appearing basal when stem subterranean; inflorescence an erect spike of 100s of flowers on a woody axis usually much exceeding leaves"	Xanthorrhoea
1	"Plants not as above"	2
2	"Petals and sepals spirally twisting after anthesis"	3
2	"Petals and sepals not twisting"	6
3	"Stamen filaments bearded"	4
3	"Stamen filaments not bearded"	5
4	"Inflorescence racemose; leaves basal; stems unbranched"	Bulbine
4	"Flowers clustered in bract axils; leaves bract-like on erect, branched stems"	Tricoryne
5	"Scape unbranched or with few, ascending branches; leaves dull, present at time of flowering; widespread, but not in far north-west"	Caesia
5	"Scape widely branched; leaves shining, often absent at time of flowering; rare lily of sandhills in far north-west"	"Corynotheca {Corynotheca licrota}"
6	"Stamens bearded, or with filament swellings or anther appendages"	7
6	"Stamens without appendages or hairs, filaments rarely sparsely puberulent"	10
7	"Filaments glabrous, with conspicuous swelling; fruit a berry"	Dianella
7	"Filaments bearded or anthers with papillate appendages; fruit a capsule"	8
8	"Leaves not distichous, encircling the scape; flowers bright yellow"	Bulbine
8	"Leaves strongly distichous with overlapping bases"	9
9	"Leaves arranged along erect aerial stems"	"Stypandra {Stypandra glauca}"
9	"Leaves basal"	Thelionema
10	"Scandent vines or sub-shrubs of eastern rainforests and moist lowland forests; leaves petiolate on wiry stems; fruit a black berry"	"Geitonoplesium {Geitonoplesium cymosum}"
10	"Not as above"	11
11	"Flowers sessile and solitary in leaf axils; small tufted alpine herb with grass-like leaves"	"Herpolirion {Herpolirion novae-zealandiae}"
11	"Inflorescence racemose, cymose or paniculate"	12
12	"Perianth segments connivent or connate into a tube; flowers often slightly zygomorphic;  leaves succulent or leathery"	13
12	"Perianth segments spreading; flowers actinomorphic; leaves various, sometimes fleshy but never succulent"	16
13	"Leaves not succulent; margins and midrib scabrous but not spinose"	"Kniphofia {Kniphofia uvaria}"
13	"Leaves succulent, margins smooth to spinose, midrib smooth"	14
14	"Rosetted herbs; leaves tuberculate"	"Haworthia {Haworthia attenuata}"
14	"Rosetted herbs or shrubs; leaves smooth, margins often bearing spines"	15
15	"Rosetted herbs or shrubs; leaves not sheathing the stem; perianth segments free or united, with distinct swelling above the ovary"	Aloe
15	"Plants scrambling; leaves stem-sheathing; perianth segments united into tube, without distinct swelling above the ovary"	"Aloiampelos {Aloiampelos ciliaris}"
16	"Plants rhizomatous; leaves perennial, usually more than 1 cm wide, green; inflorescence divaricately branched"	"Trachyandra {Trachyandra divaricata}"
16	"Roots fibrous, sometimes tuberous; leaves annual, mostly less than 1 cm wide, green, often glaucous; inflorescence 1-few branched"	17
17	"Leaves terete or subterete; inflorescence exceeding leaves; flowers pale pink; weed of agriculture, particularly in the north and west"	"Asphodelus {Asphodelus fistulosus}"
17	"Leaves flat or channelled; inflorescence shorter than leaves; flowers purple, greenish or white"	Caesia