|
1
|
Stems jointed.
|
(2)
|
|
+
|
-Stems not jointed.
|
(6)
|
|
|
2 (1)
|
Perianth segments winged in fruit; plants with prominent tufts of white hairs in leaf axils, base of flowers or glomerules.
|
(3)
|
|
+
|
Perianth segments not winged in fruit; plants without tufts of white hairs in leaf axils, glabrous or slightly papillose.
|
(4)
|
|
|
|
3 (2)
|
Seeds vertical; annual-perennial herbs or subshrubs.
|
27 Anabasis
|
|
+
|
Seeds horizontal; shrubs-small trees. (Some growing in sand).
|
28 Haloxylon
|
|
|
|
4 (2)
|
Stem glabrous, without papillae, scale-like leaves not papillose-fringed; perianth segments united only in basal part.
|
(5)
|
|
+
|
Stem papillose at least when young; scale-like leaves apically papillose-fringed; perianth segments united for c. ¾ of their length.
|
19 Halostachys
|
|
|
|
5 (4)
|
Stem without lateral globular buds; internodes 5-7 mm; spikes not 4-sided, ± cone-like.
|
18 Arthrocnemum
|
|
+
|
Stem with numerous opposite globular buds giving rise to ± spreading branches; internodes c. 3 mm; spikes prominently 4-sided.
|
20 Halocnemum
|
|
|
|
6 (1)
|
At least some part of the plant with branched hairs, either stellate-dendroid, candelabriform or irregularly medifixed
|
(7)
|
|
+
|
Plants with only simple hairs, sometimes barbellate, or papillae or with a meal-like bloom or glabrous.
|
(13)
|
|
|
|
7 (6)
|
Flowers unisexual (plants monoecious); female flower without a perianth, subtended by two foliaceous bracts.
|
(8)
|
|
+
|
Flowers hermaphrodite with clearly developed perianth segments.
|
(10)
|
|
|
|
8 (7)
|
Annuals; bracts in fruits without silky hairs, grey-green.
|
(9)
|
|
+
|
Shrub; bract in fruit densely covered with long silky hairs, tawny when dry.
|
6 Krascheninnikovia
|
|
|
|
9 (8)
|
Pistillate flowers without perianth; valves with horn-like projections, branches alternate and opposite.
|
7 Ceratocarpus
|
|
+
|
Pistillate flower with 3-partite perianth; valves without horn-like projections; branches alternate.
|
8 Axyris
|
|
|
|
10 (7)
|
Fruiting perianth without wings; annuals.
|
(11)
|
|
+
|
Fruiting perianth with five distinct wings; dwarf shrubs.
|
23 Salsola
|
|
|
|
11 (10)
|
Perianth segments 1-5, inconspicuous.
|
(12)
|
|
+
|
Perianth segments 5, conspicuous, showy (white-rosy); branched hairs present.
|
16 Anthochlamys
|
|
|
|
12 (11)
|
Leaves not or scarcely mucronate, herbaceous; inflorescence not spiny; perianth segments present or absent, but none 3-lobed.
|
14 Corispermum
|
|
+
|
Leaves spine-tipped, stiff; inflorescence distinctly spiny; perianth segment one, but 3-lobed.
|
15 Agriophyllum
|
|
|
|
13 (6)
|
Leaf axil and the base of flowers or glomerules with ± dense tufts of white hairs; otherwise, plants glabrous or with scabrid papillae; embryo spiral.
|
(14)
|
|
+
|
Leaf axils, flower and glomerule bases either glabrous or with only a few hairs; otherwise plants either glabrous, with hairs, papillae or a meal-like bloom; embryo spiral, horse-shoe-shaped, annular or curved.
|
(22)
|
|
|
|
14 (13)
|
Leaves all opposite.
|
(15)
|
|
+
|
Leaves alternate or lowermost only opposite.
|
(16)
|
|
|
|
15 (14)
|
Plant with at least some scabrid papillae; leaves spiny or mucronate; seed horizontal or vertical.
|
26 Girgensohnia
|
|
+
|
Plants glabrous, with or without a shiny stem; leaves apically obtuse without a bristle or mucro; seed horizontal.
|
25 Seidlitzia
|
|
|
|
16 (14)
|
Perianth segments winged in fruit, without spines; leaves herbaceous.
|
(17)
|
|
+
|
Perianth segments in fruit fused and indurated with 1 (-2) prominent long sturdy spines; leaves often represented only by hard spines.
|
31 Cornulaca
|
|
|
|
17 (16)
|
Fruiting perianth not thickened and indurated.
|
(18)
|
|
+
|
Fruiting perianth thickened and indurated below the wings.
|
24 Halothamnus
|
|
|
|
18 (17)
|
Perianth segments 5, free or nearly free.
|
(19)
|
|
+
|
Perianth deeply 5-lobed, lobes membranous in flower.
|
35 Noaea
|
|
|
|
19 (18)
|
Stems whitish throughout, ± terete.
|
(20)
|
|
+
|
Stem green with white or purple lines, often angular.
|
23 Salsola
|
|
|
|
20 (19)
|
Annuals or perennials; all 5 perianth segments winged in fruit.
|
(21)
|
|
+
|
Perennial; only 3 (-4) perianth segments winged in fruit; seeds vertical.
|
33 Agathophora
|
|
|
|
21 (20)
|
Dwarf annuals; wings developing near apex of perianth segments.
|
32 Halogeton
|
|
+
|
Taller annuals or perennials; wings present in lower half of perianth segments.
|
23 Salsola
|
|
|
|
22 (13)
|
Stamens with prominent, yellow, cream, pink or purple vesicles or appendages near the apex of the connectives.
|
(23)
|
|
+
|
Stamens without or with short inconspicuous apical extensions on the thecae.
|
(27)
|
|
|
|
23 (22)
|
Fruiting perianth segments without wings, in flower without a transverse line.
|
(24)
|
|
+
|
Fruiting perianth segments winged, in flower segments with a transverse line.
|
23 Salsola
|
|
|
|
24 (23)
|
Perianth segments and/or subtending leaf-like bracts not coalescing in fruit.
|
(25)
|
|
+
|
Perianth segment and/or subtending leaf-like bracts coalescing in fruit.
|
(26)
|
|
|
|
25 (24)
|
Annuals; leaf apex with 1 or a few terminal bristle-like hairs.
|
30 Halocharis
|
|
+
|
Perennials; leaf apex without terminal bristle-like hairs.
|
23 Salsola
|
|
|
|
26 (24)
|
Perianth segments not or scarcely indurating in fruit, subtending bracts indurating both forming a nut-like fruiting disseminule, 2-horned or not.
|
34 Gamanthus
|
|
+
|
Perianth segments basally indurating and coalescing in fruit forming a flask-like disseminule, not 2-horned.
|
29 Halimocnemis
|
|
|
|
27 (22)
|
Perianth segments developing in fruit at least some distinct terminal or lateral spreading wings or spines or protuberances.
|
(28)
|
|
+
|
Perianth segments in fruit without wings or spines or protuberances.
|
(36)
|
|
|
|
28 (27)
|
Plants with distinct hairs, usually barbellate.
|
(29)
|
|
+
|
Plants without hairs, either glabrous or with papillae or vesicles or with villous hairs in leaf axils.
|
(32)
|
|
|
|
29 (28)
|
Fruiting perianth segments winged or with horny outgrowths.
|
(29)
|
|
+
|
Fruiting perianth segments with straight or uncinate spiny outgrowths.
|
12 Bassia
|
|
|
|
30 (30)
|
Leaves flat; seeds vertical or horizontal; embryo annular or horse-shoe-shaped.
|
(30)
|
|
+
|
Leaves semi-terete or terete; seeds horizontal, rarely vertical; embryo spiral.
|
23 Salsola
|
|
|
|
31
|
Seeds vertical; fruiting perianth segments with apical horns or wings.
|
11 Panderia
|
|
+
|
Seeds horizontal; fruiting perianth segments variously winged.
|
13 Kochia
|
|
|
|
32 (28)
|
Annuals or perennials; all or at least upper leaves alternate.
|
(33)
|
|
+
|
Annuals; all leaves opposite.
|
26 Girgensohnia
|
|
|
|
33 (32)
|
Perianth not as above; seeds horizontal.
|
(34)
|
|
+
|
Perianth deeply 5-lobed; lobes membranous in flower and dorsally winged in fruit; seeds vertical.
|
35 Noaea
|
|
|
|
34 (33)
|
Fruiting perianth not forming an undivided circular wing; annuals or perennial; fleshy or not.
|
(33)
|
|
+
|
Fruiting perianth lobes united, forming a regular, circular wing; a very fleshy sturdy annual.
|
22 Bienertia
|
|
|
|
35
|
Fruiting perianth thickened and strongly indurated below the wings.
|
24 Halothamnus
|
|
+
|
Fruiting perianth not or scarcely thickened and indurated.
|
23 Salsola
|
|
|
|
36 (27)
|
Hairs clearly present on at least on some part of the plant.
|
(37)
|
|
+
|
Plants entirely glabrous, or with a mealy indumentum or with some scabrid papillae.
|
(39)
|
|
|
|
37 (36)
|
Annual or perennial herbs, leaves not basally clustered; hairs barbellate or not; perianth segments and stamens usually 5.
|
(38)
|
|
+
|
Dwarf shrubs with very dense clusters of basal linear, rigid leaves; hairs barbellate; perianth segments 4; stamens 4.
|
10 Camphorosma
|
|
|
|
38 (37)
|
Perianth segments inconspicuous, scarious, membranous; fruits horizontal or erect.
|
3 Chenopodium
|
|
+
|
Perianth showy with rosy-white petaloid lobes; fruits erect, strongly flattened.
|
16 Anthochlamys
|
|
|
|
39 (36)
|
Plants with a mealy indumentum or scabrid papillae.
|
(40)
|
|
+
|
Plants glabrous, rarely with few scattered hairs.
|
(44)
|
|
|
|
40 (39)
|
Leaves alternate or opposite, petiolate, basally not scarious, indumentum a mealy bloom.
|
(41)
|
|
+
|
Leaves opposite, sessile with a basal scarious margin; indumentum scabrid-papillose.
|
26 Girgensohnia
|
|
|
|
41 (40)
|
Plants monoecious.
|
(43)
|
|
+
|
Plants with both hermaphrodite flowers and some female ones.
|
(42)
|
|
|
|
42 (41)
|
Flowers in panicles or arranged cymosely forming clusters (glomerules).
|
3 Chenopodium
|
|
+
|
Flowers solitary or sessile in upper leaf axils.
|
35 Noaea
|
|
|
|
43 (41)
|
Several female flowers borne at the base of a foliaceous bract.
|
9 Microgynoecium
|
|
+
|
Female flowers borne in axils of a foliaceous bract in a cup formed by two connate bracts.
|
5 Atriplex
|
|
|
|
44 (39)
|
Leaves terete, sessile.
|
(45)
|
|
+
|
Leaves with a ± broad flat lamina, petiolate.
|
(47)
|
|
|
|
45 (44)
|
Flowers solitary or in leaf axils.
|
(46)
|
|
+
|
Flowers grouped in 3s, immersed in fleshy spikes; perianth segments 3, inconspicuous.
|
17 Halopeplis
|
|
|
|
46 (45)
|
Flowers with two leaf-like bracts.
|
35 Noaea
|
|
+
|
Flowers with two small bracteoles.
|
21 Suaeda
|
|
|
|
47 (44)
|
Sterile branches not spiny; annuals or perennials, leaves with entire-dentate margin or lobed.
|
(48)
|
|
+
|
Ends of sterile branches somewhat spiny; annuals, with coarsely toothed leaves.
|
1 Acroglochin
|
|
|
|
48 (47)
|
Leaves entire-sinuately lobed; perianth segments and bracteoles coalescing and hardening in fruit.
|
(49)
|
|
+
|
Leaves dentate, often hastate; flowers in dense clusters, often berry-like; perianth segments not hardening in fruit.
|
3 Chenopodium
|
|
|
|
49 (48)
|
Flowers unisexual (plants dioecious); leaves mostly lobed.
|
4 Spinacia
|
|
+
|
Flowers hermaphrodite; leaves entire, sometimes with a wavy margin.
|
2 Beta
|
|
|