1	"Plant with obvious leaves; branches not articulate"	2
1	"Plant apparently leafless, or with opposite very reduced leaves; branches made up of succulent internodes (articles)"	31
2	"Leaves flat, often broad, if terete then with mealy hairs when young"	3
2	"Leaves narrow, usually sub-terete; hairs (if present) simple, bifurcate, or stellate, neither glandular nor mealy"	11
3	"Plant glabrous; fruiting perianths hard, united in clusters; ovary semi-inferior"	"Beta {Beta vulgaris}"
3	"Plant glabrous, mealy, pilose, or glandular; ovary superior"	4
4	"Plant mealy when young; flowers unisexual; male flowers with 5-lobed perianth and 5 stamens; female flowers lacking perianth but surrounded by a pair of bracteoles that may be free or fused, often inflated or spongy"	Atriplex
4	"Plant variously hairy to glabrous; flowers unisexual or bisexual, all with a perianth, not surrounded by bracteoles"	5
5	"Plants shrubby, predominantly dioecious, if monoecious or with bisexual flowers then stamens 5"	Rhagodia
5	"Plants herbaceous or weakly woody; flowers polygamous or bisexual"	6
6	"Herb with basal rosette of leaves; tepals 4, cartilaginous in fruit"	"Scleroblitum {Scleroblitum atriplicinum}"
6	"Plants without a basal rosette"	7
7	"Fruiting perianth encircled by a single horizontal hyaline wing"	"Cycloloma {Cycloloma atriplicifolium}"
7	"Fruiting perianth without appendages"	8
8	"Plant glandular-pubescent"	Dysphania
8	"Plant glabrous, pubescent, or mealy"	9
9	"Tepals 5; stamens 1-3; seed horizontal; perennial herbs or weak shrubs with mealy indumentum"	Einadia
9	"Tepals 1-5; stamens 1-5; seed horizontal or vertical; mostly annual herbs, rarely perennials, glabrous or with mealy or glandular indumentum"	10
10	"Tepals 3-5; stamens 1-5; herb or rarely perennial with mealy or glandular indumentum, or glabrous"	Chenopodium
10	"Tepals (in lateral flowers) 1; stamen 1; sparsely mealy herb"	"Monolepis {Monolepis spathulata}"
11	"Flowers and fruits fused in axillary clusters of 2 or more"	12
11	"Flowers and fruits solitary or if in pairs then not fused"	14
12	"Indumentum of dendritic or stellate hairs"	Eremophea
12	"Indumentum of simple hairs"	13
13	"Flowers in pairs; fruiting perianth cylindrical with 5 horizontal wings"	"Didymanthus {Didymanthus roei}"
13	"Flowers in clusters of 2 or more; fruiting perianth without wings"	Dissocarpus
14	"Fruiting perianth without obvious appendages"	15
14	"Fruiting perianth with one or more wings, spines, or tubercles, not succulent"	19
15	"Flowers bibracteolate; embryo spirally coiled"	Suaeda
15	"Flowers without bracteoles; embryo curved or annular"	16
16	"Fruit a subglobular nut subtended by the small deeply 5-lobed perianth"	Roycea
16	"Fruit totally enclosed within the enlarged perianth"	17
17	"Fruiting perianth succulent, berry-like, split longitudinally to base"	Enchylaena
17	"Fruiting perianth dry or, if succulent, not berry-like and not split to base"	18
18	"Fruiting perianth dry, subglobular"	Osteocarpum
18	"Fruiting perianth dry or slightly succulent, ovoid to urceolate"	Threlkeldia
19	"Fruiting perianth with erect wing or wings"	20
19	"Fruiting perianth without erect wings"	21
20	"Both horizontal and vertical wings present"	Maireana
20	"Only vertical wing or wings present"	Osteocarpum
21	"Horizontal wing or wings (but not spines) present on fruiting perianth"	22
21	"Spines or tubercles (but not wings) present on fruiting perianth"	25
22	"Annual; leaves herbaceous; flowers in axillary clusters; fruiting perianth with 5 horizontal wings"	"Bassia {Bassia hyssopifolia}"
22	"Annual or perennial herb or shrub; leaves usually succulent"	23
23	"Flowers subtended by a pair of prominent spinescent bracteoles; embryo spirally coiled"	"Salsola {Salsola kali}"
23	"Bracteoles, if present, minute; embryo annular"	24
24	"Fruiting perianth lenticular to turbinate or globose with 5 horizontal wings or a simple annular horizontal wing"	Maireana
24	"Fruiting perianth hemispherical, glabrous; apex truncate extending into a hard, narrow, 5-angled wing"	"Sclerolaena {Sclerolaena brachyptera}"
25	"Plant densely stellate- or dendritic-tomentose; leaves flattened;  perianth spines epitepalous in origin"	Eremophea
25	"Plant with simple or bifurcate hairs (if dendritic then leaves terete), or glabrous"	26
26	"Perianth appendages oblong, in two series, 5 erect and 5 horizontal, all arising from base of tepals"	"Eriochiton {Eriochiton sclerolaenoides}"
26	"Perianth appendages in one series, either beneath or between tepals"	27
27	"Fruiting perianth hard, globoid, with c. 11 very short radiating spines arising from a narrow horizontal wing"	"Sclerolaena {Sclerolaena stelligera}"
27	"Fruiting perianth with 1-6 spines, tubercles, or other processes"	28
28	"Perianth appendages 3-5, subcylindrical, soft, woolly, arising from base of perianth lobes"	Malacocera
28	"Perianth appendages of spines or tubercles"	29
29	"Annual; leaves linear to oblanceolate; fruiting perianth papery; seed horizontal"	"Bassia {Bassia hyssopifolia}"
29	"Perennial herb or shrub; leaves subterete or, if flat, then fleshy; fruiting perianth hard; seed horizontal to vertical"	30
30	"Fruiting perianth cylindrical with 5 spines arising from base of perianth lobes, the spines sometimes united into an apical cup-shaped structure"	Neobassia
30	"Fruiting perianth variously shaped; spines or tubercles 1-6 arising between perianth lobes"	Sclerolaena
31	"Perianth lacking upper lobe; stamen 1; seed with abundant albumen"	Tecticornia
31	"Perianth truncate or rounded at apex with an upper (adaxial) lobe overlapping the 2 lateral lobes; stamens 2; embryo horseshoe-shaped; albumen absent"	Sarcocornia