1	"Inflorescence a solitary flower"	2
1	"Inflorescence of 2-many flowers"	6
2	"Plant evergreen; rootstock a rhizome"	3
2	"Plant not evergreen; rootstock a corm or bulb"	4
3	"Ovary superior"	"Isophysis {Isophysis tasmanica}"
3	"Ovary inferior"	Iris
4	"Petals less than one-third length of sepals"	"Herbertia {Herbertia lahue subsp. caerulea}"
4	"Petals and sepals equal"	5
5	"Peduncle absent; stigmas"	"Moraea {Moraea fugacissima}"
5	"Peduncle present; stigmas"	Romulea
6	"Inflorescence with 1 to many rhipidia, each subtended by 1 or 2 spathes, of 2-many fugacious flowers, never spicate"	7
6	"Inflorescence a spike, sometimes branched, of 2-many sessile non-fugacious flowers, each with 2 short spathes"	18
7	"Style with petaloid branches, each covering a stamen, with 2 erect crests exceeding the flap-shaped stigma (Iris-shaped flowers)"	8
7	"Style without petaloid branches or crests; stamens exposed"	10
8	"Perennials with corms; leaves and flowers annual; stamens connate"	Moraea
8	"Evergreen perennials with rhizomes; stamens free"	9
9	"Petals and sepals free, all spreading"	Dietes
9	"Petals and sepals confluent in a tube at base, petals erect"	Iris
10	"Leaves narrowed to a petiole-like base"	Patersonia
10	"Leaves broadest at base or linear"	11
11	"Leaves plicate, or bifacial and channelled"	12
11	"Leaves equitant"	13
12	"Leaves plicate; petals less than one-third length of sepals; rootstock a bulb"	"Herbertia {Herbertia lahue subsp. caerulea}"
12	"Leaves bifacial, channelled; petals equal to sepals; rootstock a corm"	Moraea
13	"Petals and sepals very unequal, the petals vestigial"	Patersonia
13	"Petals and sepals equal or subequal"	14
14	"Flower zygomorphic; 2 stamens fertile, the third a staminode"	Diplarrena
14	"Flower actinomorphic; all 3 stamens fertile"	15
15	"Style branches broad, fimbriate; margins of perianth lobes undulate and crisped"	"Ferraria {Ferraria crispa subsp. crispa}"
15	"Style branches filiform, never fimbriate; margins of lobes flat"	16
16	"Flowers and capsules almost sessile, partly enclosed by spathes"	Orthrosanthus
16	"Flowers and capsules exserted from spathes on long pedicels"	17
17	"Petals and sepals spreading from base; stamens exserted; filaments connate at base only"	Libertia
17	"Petals and sepals forming a cup below, spreading above; stamens included; filaments connate for more than half their length"	Sisyrinchium
18	"Style branches deeply bifid; stigmas 6 or more"	19
18	"Style branches entire; stigmas 3"	20
19	"Leaves coarsely fibrous in texture; flowers spreading in a loosely distichous spike"	Watsonia
19	"Leaves soft-textured; flowers erect in a secund spike"	Freesia
20	"Leaves densely pubescent, plicate, abruptly narrowed into a petiole-like base"	Babiana
20	"Leaves glabrous to puberolous, never plicate or abruptly narrowed at base"	21
21	"Flowers pendulous on pendulous, filiform branches of a branched spike"	Dierama
21	"Flowers erect to horizontal; inflorescence unbranched or with erect branches"	22
22	"Perianth tube straight; flowers more or less erect"	23
22	"Perianth tube curved; flowers spreading, often at right angles to axis"	27
23	"Rootstock a rhizome; style branches c. 2 cm long"	"Hesperantha {Hesperantha coccinea}"
23	"Rootstock a corm; style branches up to 1 cm long"	24
24	"Perianth tube narrowly cylindrical, exserted from spathes"	Ixia
24	"Perianth tube funnel-shaped, not or hardly exserted from spathes"	25
25	"Spathes scarious, brown-streaked, ragged or lacerate"	Sparaxis
25	"Spathes membranous, at -least partially green, not brown-streaked, entire or emarginate"	26
26	"Style 3-branched immediately above perianth tube; stamens equilateral; corm bell-shaped with tunic of woody scales"	"Hesperantha {Hesperantha falcata}"
26	"Style 3-branched well above perianth tube; stamens unilateral; corm globose with fibrous tunic"	Tritonia
27	"Axis of spike strongly flexuose; plant stoloniferous"	"Crocosmia {Crocosmia x crocosmiiflora}"
27	"Axis of spike never flexuose; stolons absent"	28
28	"Perianth tube gibbous, abruptly dilated c. 1 cm above ovary"	29
28	"Perianth tube gradually widened, never gibbous"	30
29	"Perianth bilabiate, uppermost lobe far exceeding others; capsule depressed-globose"	Chasmanthe
29	"Perianth not bilabiate, lobes sub-equal; capsule oblong"	Homoglossum
30	"Spathes entire, acute, herbaceous"	Gladiolus
30	"Spathes toothed or lacerate, scarious"	31
31	"Perianth bilabiate, with lobes shorter than tube; spathes deeply dentate to lacerate"	"Sparaxis {Sparaxis villosa}"
31	"Perianth not bilabiate, with lobes longer than tube; spathes shallowly toothed"	Tritonia