1	"Flowers bisexual; stamens 5, often with 5 staminodes"	2
1	"Flowers bisexual or unisexual; stamens 10 or more, or plants spinose with 1–20 stamens"	5
2	"Petals conspicuous; staminodes present; capsule bristly or burr-like"	3
2	"Petals absent or minute and gland-like (but calyx often corolla-like); staminodes absent; capsule not bristly"	4
3	"Anther dehiscence sublatrorse; central (or only) staminode hairy"	Commersonia
3	"Anther dehiscence extrorse; central (or only) staminode glabrous"	Androcalva
4	"Stipules absent; calyx white, pink or brownish, not papery"	Lasiopetalum
4	"Stipules present, leafy; calyx purplish, papery"	"Thomasia {Thomasia petalocalyx}"
5	"Trees; flowers unisexual; perianth petaloid, 5(6) lobed, in 1 whorl; fruit a woody follicle"	"Brachychiton {Brachychiton populneus subsp. populneus}"
5	"Herbs or shrubs, rarely trees; flowers unisexual or bisexual, petals, sepals and often epicalyx present; fruit a capsule or separating into mericarps"	6
6	"Epicalyx present, sometimes caducous"	7
6	"Epicalyx lacking"	15
7	"Epicalyx reduced to a ridge surrounding the base of the caylx; trees, covered in appressed scales"	Lagunaria
7	"Epicalyx of 3 or more lobes; plants variously hairy, usually lacking scales"	8
8	"Lobes of epicalyx 5 or more"	9
8	"Lobes of epicalyx 3"	11
9	"Epicalyx 5-lobed or of 5 free segments; fruit a schizocarp with 1-seeded mericarps; stigmas 10; leaves hastate-ovate with serrate margins"	"Pavonia {Pavonia hastata}"
9	"Epicalyx with more than 5 lobes; fruit a capsule; stigmas 5; leaves usually lobed"	10
10	"Lobes of epicalyx free to or united just above base, linear; styles clearly branched below stigmas; capsule 5-valved"	Hibiscus
10	"Lobes of epicalyx fused in lower half into a cup-like involucre, oblanceolate; style unbranched; capsule splitting into 10 segments"	"Radyera {Radyera farragei}"
11	"Lobes of epicalyx fused to each other; erect, often tall herbs or soft-wooded shrubs"	Malva
11	"Lobes of epicalyx free from each other (but often adnate to calyx tube); low, sometimes prostrate herbs or woody shrubs"	12
12	"Woody shrubs; flowers clustered; epicalyx deciduous, shrivelled at anthesis"	"Sphaeralcea {Sphaeralcea bonariensis}"
12	"Herbs; flowers usually solitary; epicalyx not shrivelled at anthesis"	13
13	"Plant rooting at nodes; petals bright orange to red; mericarps 1–2-seeded"	"Modiola {Modiola caroliniana}"
13	"Plants not rooting at nodes; petals not orange to red; mericarps 1-seeded"	14
14	"Petals pale pink, mauve, bluish or white; indumentum of stellate and/or simple hairs"	Malva
14	"Petals yellow; indumentum of minute stellate scales overlain by stellate hairs"	"Malvella {Malvella leprosa}"
15	"Petals blue to violet; ovary 3-locular"	"Howittia {Howittia trilocularis}"
15	"Petals yellow, white or greenish, rarely pale purple; ovary 5–20-locular"	16
16	"Petals 1–2( –5) cm long, yellow; fruit capsular, with 1–3 seeds per locule"	Abutilon
16	"Petals mostly less than 1 cm long (rarely longer in male flowers); fruit a schizocarp, with 1 seeded mericarps"	17
17	"Flowers pale purple; mericarps with spreading dorsal beak, hirsute, apex with a tuft of long simple hairs"	"Anoda {Anoda cristata}"
17	"Flowers yellow, white or greenish; mericarps lacking dorsal beak, sometimes winged or apex often raised or mucronate"	18
18	"Slender trees to 10 m high; leaves glabrous, glossy green with serrate margins; mericarps distinctly winged"	"Hoheria {Hoheria populnea}"
18	"Herbs, shrubs or small trees to 5 m high; leaves not glossy and glabrous; mericarps not winged"	19
19	"Petals distinctly yellow; stigmas capitate; flowers bisexual"	20
19	"Petals white or greenish; stigmas decurrent on style branches; flowers often unisexual"	21
20	"Petals stellate-pubescent"	"Malvella {Malvella leprosa}"
20	"Petals ciliate at base, otherwise glabrous"	Sida
21	"Flowers sessile (but pedicellate in L. berthae), solitary or clustered in axils; shrubs of the north-west, or a ± rosetted coastal herb"	Lawrencia
21	"Flowers in axillary panicles or racemes, at least the males pedicellate"	22
22	"Spreading to erect shrubs to 3 m high or more; leaves mostly 5 cm long or more; damp situations, on or south of the Dividing Range"	Gynatrix
22	"Weak shrub to c. 50 cm high; leaves to c. 4 cm long; north-west only"	Lawrencia