| 1 |
Rachis at least with partly spreading hairs |
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(2) |
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Rachis with appressed or partly ascending hairs |
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(9) |
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| 2 (1) |
Some leaflets adaxially glabrous but most of them spreading hairy on both surfaces; wing limbs obtriangular, widest below widely retuse tip, ca. 3.5 × 2 mm; plants 3-4 cm tall. |
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140 A. malcolmii |
| + |
Leaflets with appressed to ascending hairs, mostly glabrous adaxially; wing limbs oblong to obovate, relatively narrower; plants mostly distinctly taller |
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(3) |
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| 3 (2) |
Leaflets on both surfaces silvery hairy with ascending hairs up to 1 mm; standard ca. 8 mm. |
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138 A. luteiflorus |
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Leaflets adaxially glabrous |
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(4) |
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| 4 (3) |
Bracts 1-3 mm; calyx 3-4 mm |
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(5) |
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Bracts 3-6 mm; calyx at least 5 mm |
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(7) |
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| 5 (4) |
Leaflets in 6-9 pairs, 9-27 × 2-7 mm, at base of petiolule with crowded, minute, sessile glands; calyx covered with ascending predominantly black hairs; standard 8-10 mm, rounded to slightly emarginate; ovary and legumes hairy. |
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137 A. longiracemosus |
| + |
Leaflets in 4-7 pairs, 4-8 × 1-3 mm or 6-20 × 1-3 mm, mostly folded, without minute sessile glands; calyx covered with subappressed to appressed white and black hairs; standard 7-8 mm; ovary (and legumes) glabrous or sparsely hairy |
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(6) |
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| 6 (5) |
Leaflets ca. 3 × as long as wide, 4-8 × 1-3 mm; peduncles covered with spreading white hairs; wing limbs obovate, rounded. |
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143 A. nanshanicus |
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Leaflets ca. 6 × as long as wide, 6-20 × 1-3 mm; peduncles covered with appressed and spreading predominantly black hairs; wing limbs narrowly oblong, obliquely emarginate. |
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148 A. pseudoversicolor |
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| 7 (4) |
Plants 15-35 cm tall; leaves 4-7 cm; leaflets ca. 5 × as long as wide, 10-20 × 2-4 mm; calyx ca. 4 mm; wing limbs deeply obliquely incised. |
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134 A. handelii |
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Plants 5-12 cm tall; leaves up to 4 cm; leaflets ca. 3 × as long as wide; calyx 5-6 mm; wing limbs truncate to retuse |
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(8) |
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| 8 (7) |
Calyx covered with ascending to spreading hairs up to 1 mm; standard limb widely ovate, abruptly contracted at base into short claw; wing limbs obliquely emarginate; legumes densely covered with ascending to spreading white and black hairs up to 1 mm. |
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142 A. mieheorum |
| + |
Calyx covered with appressed to ascending hairs 0.3-0.6 mm; standard limb obovate, somewhat abruptly to gradually passing into claw; wing limbs rounded at apex; ovary glabrous (ripe legumes unknown). |
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153 A. valerii |
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| 9 (1) |
Leaflets obovate or triangular-obovate, at most 2 × as long as wide, apex mostly ± deeply and widely emarginate; legumes 1-locular. |
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141 A. melanostachys |
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Leaflets at apex acute to rounded, if slightly emarginate, then distinctly more than 2 × as long as wide; legumes incompletely to mostly completely 2-locular in all species with known fruits |
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(10) |
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| 10 (9) |
Wing limbs distinctly asymmetrically incised near tip; stems well developed, up to 10-20 cm |
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(11) |
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Wing limbs rounded to slightly retuse at tip |
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(13) |
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| 11 (10) |
Leaflets linear, 6-8 × as long as wide, 8-20 × 1.5-2.5 mm, loosely hairy adaxially; calyx 2.5-3 mm, with partly very short (less than 0.05 mm) hairs. |
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149 A. rytidocarpus |
| + |
Leaflets wider, 3-5 × as long as wide, glabrous adaxially; calyx at least 3 mm with hairs 0.5-0.8 mm |
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(12) |
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| 12 (11) |
Stem rather densely covered with hairs 0.4-0.6 mm; bracts 4-5 mm; calyx 4-4.5 mm, with appressed to ascending hairs; limb of standard rounded at apex, base somewhat abruptly contracted into short claw. |
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150 A. sagastaigolensis |
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Stem loosely covered with hairs 0.1-0.3 mm; bracts 1-3 mm; calyx 3-4 mm, with appressed to subappressed hairs; limb of standard retuse to slightly emarginate at apex, base without distinct claw. |
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139 A. mahoschanicus |
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| 13 (10) |
Leaflets abaxially glabrous or only at midvein and margins with scattered hairs; stems glabrous or very sparsely hairy. |
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152 A. tulinovii |
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Leaflets abaxially sparsely to rather densely hairy; stems mostly distinctly hairy |
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(14) |
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| 14 (13) |
Limb of standard elliptic to rhombic-elliptic, apex deeply and widely incised; legumes obtriangular to globose, at tip widely truncate, 3.5-4 mm, ca. 2 mm high and 4-5 mm wide, strongly compressed from dorsal side, often wider than long. |
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151 A. thomsonii |
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Limb of standard only slightly retuse to emarginate at apex; legumes as high as wide (in all species with known legumes) |
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(15) |
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| 15 (14) |
Petals whitish to yellowish, at least when dry (in A. pseudojagnobicus sometimes slightly pale violet-suffused) |
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(16) |
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Petals violet or blue-violet also in dry state (in A. densiflorus sometimes pale violet or yellowish in dry state) |
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(20) |
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| 16 (15) |
At least stipules of lower leaves high connate behind stem. |
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146 A. pseudojagnobicus |
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All stipules free or lower ones very shortly connate |
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(17) |
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| 17 (16) |
Ovary and legumes hairy |
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(18) |
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Ovary (and legumes) glabrous |
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(19) |
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| 18 (17) |
Stems up to 20 cm, in upper part white and black hairy; rachis white and black hairy; leaflets elliptic, 15-25 × 6-13 mm; standard ca. 10 × 5-6 mm. |
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147 A. pseudomahoschanicus |
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Stems up to 10 cm, like rachis only white hairy; leaflets narrowly elliptic, 3-12 × 1-3 mm; standard 5-7 × up to 3.3 mm. |
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132 A. densiflorus |
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| 19 (17) |
All stipules ovate, black ciliate; leaflets in 4 or 5 pairs; calyx 4.5-5 mm with hairs 0.3-0.5 mm. |
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144 A. pishanxianensis |
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Upper stipules linear-acute, loosely white and black hairy; leaflets in 5-8 pairs; calyx 5-6 mm with hairs 0.5-1 mm. |
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130 A. athranthus |
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| 20 (15) |
Stipules glabrous or only ciliate |
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(21) |
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Stipules appressed hairy, at least those of upper leaves |
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(23) |
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| 21 (20) |
Plants 20-50 cm tall; leaves 4-9 cm; leaflets 7-20 × 2.5-6 mm; legumes smooth, covered with appressed to slightly ascending hairs. |
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136 A. kunlunensis |
| + |
Plants up to 25 cm tall; leaves 2-4 cm, if up to 7 cm, then stems only 2-5 cm; leaflets 3-15 × 1-4 mm; legumes cross-wrinkled, covered with ± spreading hairs |
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(22) |
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| 22 (21) |
Stems mostly short, 2-5(-7) cm, loosely to rather densely hairy like leaflets abaxially; bracts 2-4 mm; calyx 3-4 mm, teeth 1.5-2 mm; limb of standard elliptic, ca. 3.2 mm wide. |
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132 A. densiflorus |
| + |
Stems 10-25 cm, sparsely to loosely hairy, soon glabrescent; leaflets abaxially sparsely hairy; bracts 1-2.5 mm; calyx 2-3 mm, teeth 1-1.5 mm; limb of standard suborbicular. |
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135 A. heterodontus |
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| 23 (20) |
Calyx densely covered with appressed hairs, sitting on minute tubercles, which can be easily examined only when hairs are gone; wing limbs slightly emarginate; legumes covered with appressed to nearly spreading hairs. |
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145 A. porphyrocalyx |
| + |
Calyx hairs without minute tubercles, at least partly ascending or spreading; wing limbs rounded or truncate; legumes with only spreading hairs or glabrous (ovary) |
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(24) |
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| 24 (23) |
Plants 4-5 cm tall; at least lower stipules high connate behind stem; calyx ca. 3 mm, with ascending to spreading hairs; wing limbs obtriangular, widest at truncate tip. |
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133 A. despectus |
| + |
Plants 6-25 cm tall; all stipules free or lowest very shortly connate; calyx mostly longer, with ascending hairs; wing limbs narrowly oblong, obtuse. |
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131 A. brachysemia |
