1	"Flowers stalkless at the base of the plant"	2
1	"Flowers on stems, variously arranged within bracts"	4
2	"Perianth whorls differentiated; style branches petal-like"	Iris
2	"Perianth whorls similar; style branches linear"	3
3	"Leaves with white stripe on upper surface; stamens free"	Crocus
3	"Leaves without white stripe; stamens joined"	Galaxia
4	"Style unbranched with one broad terminal stigma (often 3-lobed)"	5
4	"Style with 3 or more stigmas on separate branches"	6
5	"Flowers in a panicle; perianth segments slightly unequal"	Aristea
5	"Flowers in a compact head; inner perianth segments greatly reduced"	Patersonia
6	"Leaves with a midvein; flowers in spikes"	7
6	"Leaves without midvein; flowers in cymes, a drooping panicle, or solitary"	23
7	"Style branches bifid, stigmas 6 or rarely more"	8
7	"Style branches entire, stigmas 3"	10
8	"Spike 2-ranked, with a robust erect axis; capsule smooth"	Watsonia
8	"Spike 1-sided, wiry axis bent almost horizontal; capsule softly glandular"	9
9	"Perianth tube curved, abruptly widened"	Freesia
9	"Perianth tube straight, gradually widened from base"	Anomatheca
10	"Leaves coarsely hairy, pleated"	Babiana
10	"Leaves hairless, never pleated"	11
11	"Flowers spreading, perianth bilaterally symmetrical"	12
11	"Flowers erect, perianth radially symmetrical"	17
12	"Perianth tube widening abruptly with a pouch on the lower side"	13
12	"Perianth tube funnel-shaped, widening gradually"	14
13	"Spathe much shorter than perianth tube; upper perianth lobe far exceeding others"	Chasmanthe
13	"Spathe longer than perianth tube; perianth lobes slightly unequal"	Gladiolus
14	"Spathes green, usually longer than the perianth tube"	Gladiolus
14	"Spathes brown or papery, much shorter than the perianth tube"	15
15	"Plants growing in summer; stamens protruding"	Crocosmia
15	"Plants growing in winter; stamens enclosed within flower"	16
16	"Spathes deeply torn; perianth lobes shorter than tube"	Sparaxis
16	"Spathes shallowly toothed; perianth lobes longer than tube"	Tritonia
17	"Rootstock a rhizome; style branches more than 1.5 cm long"	Schizostylis
17	"Rootstock a corm; style branches less than 1.2 cm long"	18
18	"Ovary 3-angled; inner perianth lobes much broader than outer"	Melasphaerula
18	"Ovary cylindrical; perianth lobes slightly unequal in width"	19
19	"Corm with flat base and hard woody tunic"	20
19	"Corm globose with a fibrous or papery tunic"	21
20	"Style longer than perianth tube, with recurved branches protruding past anthers"	Geissorhiza
20	"Style no longer than perianth tube, with ascending branches not protruding past anthers"	Hesperantha
21	"Perianth patterned with finely branching veins"	Tritonia
21	"Perianth variously marked but never visibly veined"	22
22	"Spathes truncate; perianth tube cylindrical"	Ixia
22	"Spathes entire or torn but always acute; perianth tube funnel-shaped"	Sparaxis
23	"Flowers facing downwards on pendulous capillary stalks"	24
23	"Flowers more or less erect, their stalks never pendulous"	25
24	"Perianth white to purple, enclosing the stamens and style"	Dierama
24	"Perianth scarlet and yellow; stamens and style protruding"	Rigidella
25	"Tufted evergreen plants; leaves 2-ranked in flat fans"	26
25	"Seasonally dormant plants with bulb or corm"	34
26	"Style branches petal-like"	27
26	"Style branches cylindrical, slender"	29
27	"Perianth segments free"	Dietes
27	"Perianth segments joined into a tube at base"	28
28	"Ovary with 3 chambers"	Iris
28	"Ovary with 1 chamber"	Hermodactylis
29	"Flowers bilaterally symmetrical, stamens 2"	Diplarrena
29	"Flowers radially symmetrical, stamens 3"	30
30	"Inner perianth segments shorter than outer"	Neomarica
30	"Inner perianth segments longer than outer or all equal"	31
31	"Perianth dark spotted, spirally twisted after flowering"	Belamcanda
31	"Perianth not spotted, not spirally twisted after flowering"	32
32	"Perianth bell-shaped, segments forming a cup around stamens"	Sisyrinchium
32	"Perianth open, segments spreading from base"	33
33	"Perianth segments unequal, usually white"	Libertia
33	"Perianth segments equal, blue"	Orthrosanthus
34	"Leaves pleated; inner perianth segments with nectaries"	35
34	"Leaves not pleated; inner perianth segments without nectaries"	39
35	"Stamens free"	36
35	"Stamens joined in a tube around style"	37
36	"Spathes multi flowered; outer perianth segments twisted"	Calydorea
36	"Spathes 1 flowered; outer perianth segments not twisted"	Cypella
37	"Flowers variously red to yellow, rarely white; style branches alternating with stamens"	Tigridia
37	"Flowers blue-violet; style branches opposite stamens"	38
38	"Perianth segments fused at base; style branches undivided"	Gelasine
38	"Perianth segments free; style branches forked"	Herbertia
39	"Style branches petal-like"	40
39	"Style branches cylindrical"	42
40	"Ovary with long thread-like beak"	Gynandriris
40	"Ovary without beak"	41
41	"Perianth segments joined at the base; stamens free"	Iris
41	"Perianth segments free; stamens joined at base"	Moraea
42	"Leaves cylindrical, several times longer than the flowering stem; perianth segments joined"	Romulea
42	"Leaves flat or channelled, rarely twice as long as flowering stem; perianth segments free"	43
43	"Perianth dull blue to black, segments crisped on edges; style fringed"	Ferraria
43	"Perianth bright pink to yellow, segments flat; style hairless"	44
44	"Cymes terminal on stems with a few well spaced bracts"	Homeria
44	"Cymes in axils of overlapping bracts along stem"	Hexaglottis