1	"Plant obviously leafy; leaves opposite or alternate; stems not jointed and fleshy"	2
1	"Plant apparently leafless or leaves reduced to opposite, fleshy lobes at regular intervals along fleshy, jointed stems"	25
2	"Leaves with flat blades, usually petiolate; fruit not developing prominent spines; plant often mealy-pubescent or glandular"	3
2	"Leaves narrow, often terete or subterete, usually apparently sessile; fruit sometimes developing spines; plant neither mealy-pubescent nor glandular"	12
3	"Plant glabrous; ovary semi-inferior; fruiting perianths woody or corky toward base, adhering together by the swollen receptacle"	"Beta {Beta vulgaris}"
3	"Plant usually mealy, at least when young; ovary superior; fruiting perianths sometimes clustered but not adhering together"	4
4	"Flowers always unisexual; males with 5-lobed perianth and 5 stamens; females lacking perianth but enclosed by a pair of free to almost entirely fused bracteoles which enlarge in fruit, often becoming spongy, corky and/or with dorsal outgrowths"	Atriplex
4	"Flowers bisexual or unisexual; all with a perianth and never enclosed by paired bracteoles"	5
5	"Fruit a succulent berry"	6
5	"Fruit dry"	8
6	"Plants shrubby; flowers unisexual; the male flowers with 5 stamens"	Rhagodia
6	"Plant wiry and spreading or ascending and softly woody; flowers bisexual or female; bisexual flowers with 1–5 stamens"	7
7	"Flowers with 5 stamens; fruiting perianth enlarged, yellow to dark reddish on inner face"	Chenopodium
7	"Flowers with 1–3 stamens; fruiting perianth not enlarged or coloured (the pericarp may be brightly coloured)"	Einadia
8	"Herb with basal rosette of leaves; tepals 4, enlarged and hard in fruit, strongly arched near base and exposing the fruit"	"Scleroblitum {Scleroblitum atriplicinum}"
8	"Plant without a basal rosette, or if leaves apparently rosetted then fruiting perianth not as above"	9
9	"Fruiting perianth with a prominent membranous wing; flowering branches wiry, widely spreading; uncommon pasture weed of north-west"	"Cycloloma {Cycloloma atriplicifolium}"
9	"Fruiting perianth unwinged"	10
10	"Plants aromatic, with glandular hairs"	Dysphania
10	"Plants eglandular"	11
11	"Tepals 3–5; seed horizontal to vertical; annuals or soft-wooded shrubby perennials"	Chenopodium
11	"Tepals 5; seed horizontal; perennial herbs or slender, wiry subshrubs"	Einadia
12	"Flowers and fruits fused in axillary clusters of 2 or more"	Dissocarpus
12	"Flowers and fruits solitary in axils, or if ever paired or clustered then remaining free"	13
13	"Fruiting perianth succulent, berry-like, yellow to red, totally enclosing fruit, slit down one side"	"Enchylaena {Enchylaena tomentosa var. tomentosa}"
13	"Fruiting perianth dry, or if succulent, thinly so and remaining green, not slit down the side"	14
14	"Fruiting perianth lacking wings, spines or prominent tubercles"	15
14	"Fruiting perianth winged or with prominent spines, ridges or tubercles"	17
15	"Fruit not woody; flowers subtended by a pair of bracteoles"	Suaeda
15	"Fruit woody; flowers not subtended by bracteoles"	16
16	"Flowering perianth 5-lobed; fruiting perianth dry, subglobular; inland"	Osteocarpum
16	"Flowering perianth 3-lobed; fruiting perianth thinly succulent, ovoid to urceolate; coasts and inland"	"Threlkeldia {Threlkeldia diffusa}"
17	"Fruiting perianth winged (narrowly so in Sclerochlamys)"	18
17	"Fruiting perianth unwinged, but with spines, cylindrical lobes, or tubercles"	21
18	"Leaves spine-tipped; each flower subtended by a pair of conspicuous, leaf-like bracteoles; annual"	"Salsola {Salsola tragus}"
18	"Leaves not spine-tipped; flowers ebracteolate or with minute scale-like bracteoles; annuals or perennials"	19
19	"Annual; tepals of fruiting perianth with horizontal wings and a short, hooked spine attached near the middle; uncommon weed of north-west"	"Bassia {Bassia hyssopifolia}"
19	"Perennials; fruiting perianth lacking spines"	20
20	"Fruiting perianth lenticular to turbinate or globose, not obviously pentagonal at summit, with 5 horizontal wings or these fused forming a single annular ring"	Maireana
20	"Fruiting perianth hemispherical, truncate and pentagonal at summit with the perimeter narrowly winged"	"Sclerochlamys {Sclerochlamys brachyptera}"
21	"Fruiting perianth with 2 series of 5 appendages, the upper deeply divided, the lower entire or narrowly lobed and spinose"	"Eriochiton {Eriochiton sclerolaenoides}"
21	"Fruiting perianth with appendages in a single series"	22
22	"Fruiting perianth hard, cup-shaped to subglobular with c. 11 short spines radiating from the truncate apex"	Sclerolaena
22	"Fruiting perianth with 1–6 spines or blunt lobes"	23
23	"Fruiting perianth Y-shaped, with 3 soft, woolly lobes"	"Malacocera {Malacocera tricornis}"
23	"Fruiting perianth tubular to subglobose, with 1–6 hard spines"	24
24	"Fruiting perianth cylindrical, spongy, shortly 5-spined, the spines united into a cup-like structure"	"Neobassia {Neobassia proceriflora}"
24	"Fruiting perianth shape various, woody, with 1–6 spines arising between perianth lobes"	Sclerolaena
25	"Flowers in cymules of 3; perianth lacking an upper lobe; stamen 1"	Tecticornia
25	"Flowers in cymules of 5–13 (or false whorls of 10–26) between bracts of inflorescence; perianth with an upper lobe overlapping the 2 lateral lobes; stamens 2"	Salicornia