1	"Flower generally < 3 mm wide; petals with thread-like claws; ovary, fruit stalked"	"Ayenia {Ayenia compacta}"
1	"Flower generally > 3 mm wide; petals 0 or without thread-like claws; ovary, fruit not stalked"	2
2	"Petals 0; calyx showy, generally > 25 mm wide; flowers 1 in leaf axils; shrub, small tree"	Fremontodendron
2	"Petals 5, often showy; calyx not showy, generally < 25 mm wide; flowers 1 in leaf axils or not; annual, perennial herb, to small tree"	3
3	"Fruit a capsule; seeds 2--many per chamber; flowers showy, generally 1 in leaf axils or on axillary short-shoots"	4
3	"Fruit of 5--40 segments that generally separate from axis and each other when mature; seeds generally 1--4(15) per chamber; flowers showy or not, 1--10 in leaf axils or > 1 in spike, raceme, or panicle"	7
4	"Fruit chambers 3--5; style not branched, generally shallowly lobed at tip; involucel 3(5)-lobed, leaf-like, generally persistent; seeds obovoid or angular, generally long-white-hairy; fruit generally gland-dotted"	"Gossypium hirsutum"
4	"Fruit chambers 5; style branched or deeply lobed at tip; involucel 3--12-lobed, not leaf-like, shed in age or not; seeds reniform, short-hairy or glabrous; fruit not gland-dotted"	5
5	"Style 5-branched at tip; petals generally white, yellow, lavender, or red; involucel 5--12(20)-lobed, persistent"	Hibiscus
5	"Style 5-lobed at tip; petals white, pink, blue, or purple; involucel 3--6-lobed, persistent or not"	6
6	"Perennial herb to shrub; petals generally white, yellow, blue, or lilac-blue to purple, membranous; involucel lobes 6, linear, persistent"	"Alyogyne huegelii"
6	"Small tree; petals white to rose-pink, fleshy; involucel lobes 3--5, generally ovate, generally deciduous"	"Lagunaria {Lagunaria patersonia}"
7	"Stigmas linear, on inner side of style branches; fruit segments indehiscent"	8
7	"Stigmas head-like or obliquely squared, at tip of style branches; fruit segments indehiscent or +- dehiscent"	11
8	"Anthers near top of filament tube, in 2 concentric series; bractlets subtending calyx 0(1--3), generally not forming involucel; fruit segments 5--10, beak short or 0"	Sidalcea
8	"Anthers near top of filament tube, below, not in 2 series; bractlets subtending calyx 3--11, generally forming involucel; fruit segments 5--40, beak 0"	9
9	"Bractlets 5--11, fused; flowers generally > 6 cm wide, in (spike-) or raceme-like cymes; petal veins generally indistinct; stem erect"	"Alcea {Alcea rosea}"
9	"Bractlets 3, free or +- fused; flowers generally < 6 cm wide, 1--10 in leaf axils, generally not in spike- or raceme-like cymes (occasionally in raceme-like cymes in <i>Malva</i>); petal veins often distinct; stem prostrate to erect"	10
10	"Fruit segments generally lacking edges, seed generally not firmly enclosed by, readily separating from fruit wall; bractlets fused +- 1/2"	Lavatera
10	"Fruit segments generally with edges, seed firmly enclosed by, not readily separating from fruit wall; bractlets free or fused +- 1/2"	Malva
11	"Fruit segment below indehiscent, firm, net-veined, above dehiscent, with 2 spreading, scarious wings; bractlets 0; shrub; PR, DSon"	Horsfordia
11	"Fruit segment indehiscent or not, net-veined or not, wings 0; bractlets 0--3; annual to shrub; widespread including e PR, DSon"	12
12	"Fruit segment generally 1--6(15)-seeded"	13
12	"Fruit segment generally 1-seeded"	18
13	"Petals salmon-orange; fruit segment 2-chambered, 2-seeded; flowers 1 in leaf axils; bractlets 3, +- persistent; stem decumbent to prostrate, rooting"	"Modiola {Modiola caroliniana}"
13	"Petals occasionally salmon-orange; fruit segment 1--+-2-chambered, 1--6(15)-seeded; flowers 1 in leaf axils, or in cyme, raceme, or panicle; bractlets 0--3, persistent or not; stem erect or prostrate, generally not rooting"	14
14	"Petals generally pale yellow, orange, white, pink, or +- red; bractlets 0; seeds 3--9(15) per fruit segment"	15
14	"Petals white, +- rose, pink, +- lavender, or red-orange; bractlets generally 1--3; seeds 1--3(4) per fruit segment"	16
15	"Stem generally erect (decumbent); petals yellow, yellow-orange, orange-pink, or +- red; fruit segment not inflated, 3--6(15)-seeded, walls firm to woody"	Abutilon
15	"Stem generally decumbent or trailing; petals white to pale yellow; fruit segment inflated, 3-seeded, walls flexible, papery"	"Herissantia {Herissantia crispa}"
16	"Fruit segment bristly, +- dehiscent to base, generally not net-veined; bractlets 3, +- persistent; stigmas generally oblique-squared, often +- elongate; NCo, NCoRH, CaR, MP (Shasta Co.), KR"	Iliamna
16	"Fruit segment generally not bristly, below indehiscent, strongly net-veined, above dehiscent, smooth; bractlets (0)1--3, generally deciduous; stigmas generally symmetric, head-like; especially D or disturbed areas"	17
17	"Bractlets 3, conspicuous, persistent; petals dark-veined at base; generally disturbed urban sites"	"Anisodontea capensis"
17	"Bractlets (0)1--3, inconspicuous, generally deciduous; petals not dark-veined; generally D"	Sphaeralcea
18	"Bractlets 0"	19
18	"Bractlets generally 1--3, occasionally deciduous in flower or fruit"	21
19	"Generally subshrub (annual); fruit segment below indehiscent, strongly net-veined, above dehiscent, smooth; native, especially D"	Sphaeralcea
19	"Generally annual (perennial herb); fruit segment +- uniform; naturalized, widespread, including D"	20
20	"Petals +- purple, white, or yellow; leaves generally +- lobed to hastate; fruit segment side walls disintegrating"	Anoda
20	"Petals pale- to orange-yellow; leaves unlobed; fruit segment side walls not disintegrating"	"Sida rhombifolia"
21	"Fruit segment dehiscent; flowers generally > 1 in leaf axils; widespread, generally chaparral"	Malacothamnus
21	"Fruit segment partly or fully indehiscent; flowers 1 in leaf axils or in generally raceme-like cymes; generally D or disturbed sites"	22
22	"Fruit segment below indehiscent, sides strongly net-veined, above dehiscent, sides smooth; petals generally rose-pink to salmon-orange; inflorescence raceme-like, generally in panicle, flowers facing out"	23
22	"Fruit segment generally indehiscent, sides generally +- weakly net-veined; petals generally white, pale +- yellow, or +- purple; inflorescence raceme or flowers generally 1 in leaf axils, facing up"	24
23	"Bractlets 3, conspicuous, persistent; petals dark-veined at base; generally disturbed urban sites"	"Anisodontea capensis"
23	"Bractlets (0)3, inconspicuous, generally deciduous; petals not dark-veined; generally D"	Sphaeralcea
24	"Annual, prostrate to erect, not weedy, green, glabrous or generally sparsely stellate-hairy; leaf base symmetric; petals white to +- purple"	Eremalche
24	"Perennial herb, generally prostrate, generally weedy, +- gray, densely stellate-canescent or hairs scaly; leaf base asymmetric; petals generally pale +- yellow"	"Malvella {Malvella leprosa}"