|
| 1 |
Whole plant covered with spreading hairs 0.3-0.5(-0.8) mm. |
|
205 A. wushanicus |
| + |
Plant covered with appressed to sometimes slightly ascending hairs (only A. zhouquinus with spreading hairy stem) |
|
(2) |
| |
|
|
|
| 2 (1) |
Stipules all or at least those of lower leaves behind stem distinctly, often high vaginate-connate |
|
(3) |
| + |
Stipules all free from one another (in A. tungensis stipules in short lateral branches connate) |
|
(7) |
| |
|
|
|
| 3 (2) |
Keel as long as or longer than standard and distinctly longer than wings; ovary and legumes glabrous or rarely sparsely hairy |
|
(4) |
| + |
Keel distinctly shorter than standard but as long as wings; ovary and legumes hairy |
|
(5) |
| |
|
|
|
| 4 (3) |
Leaflets hairy adaxially; standard 10-13 mm, wings 9-10 mm, and keel 12-13 mm; ovary and legumes glabrous. |
|
195 A. davidii |
| + |
Leaflets glabrous adaxially; standard 8-10 mm, wings 6-9 mm, and keel 8-10 mm; ovary and legumes glabrous or hairy. |
|
202 A. sutchuenensis |
| |
|
|
|
| 5 (3) |
Leaflets in 3-5 pairs; peduncles 4-7 cm; bracts linear-acute, 2-3.5 mm; standard ca. 11 × 7-9 mm, suborbicular. |
|
201 A. souliei |
| + |
Leaflets in 5-9 pairs; peduncles 1-3 cm; bracts subulate, 0.5-1 mm; standard 11-12 × 5-6 mm, obovate |
|
(6) |
| |
|
|
|
| 6 (5) |
Stipules 3-5 mm; leaflets in 8 or 9 pairs, sparsely hairy adaxially, both surfaces very densely spotted with minute dark purplish dots; calyx teeth unequal, short ones ca. 1 mm, longer ones 2-2.2 mm. |
|
206 A. yangtzeanus |
| + |
Stipules ca. 2 mm; leaflets in 5-8 pairs, glabrous adaxially, without purplish dots; calyx teeth unequal, short ones 0.6-0.8 mm, longer ones ca. 1.2 mm. |
|
196 A. fangensis |
| |
|
|
|
| 7 (2) |
Leaflets in 9-12 pairs; bracts 2-3 mm. |
|
203 A. tungensis |
| + |
Leaflets in at most 9 pairs, but mostly distinctly fewer; bracts up to 1.5 mm |
|
(8) |
| |
|
|
|
| 8 (7) |
Stems covered with short spreading hairs; leaflets 2-3 × 1.5-2.5 mm; standard 6.5-7 mm. |
|
207 A. zhouquinus |
| + |
Stems appressed hairy or subglabrous to glabrous; leaflets distinctly larger; standard at least 8 mm but mostly distinctly longer |
|
(9) |
| |
|
|
|
| 9 (8) |
Plants 9-10 cm tall, with an erect stem 2-3 cm, with minute globose hairs in lower part and with appressed hairs 0.2-0.4 mm in upper part; stipules clasping stem but free from each other. |
|
197 A. nankotaizanensis |
| + |
Plants prostrate, with partly creeping stems 15-50 cm, sparsely hairy to subglabrous or glabrous, never with globose hairs; stipules not clasping stem |
|
(10) |
| |
|
|
|
| 10 (9) |
Stems, rachises, and peduncles covered with very short hairs 0.05-0.1 mm; leaflets abaxially with hairs 0.5-0.7 mm, both surfaces densely spotted with minute dark purple dots; petals all of equal length, ca. 8.5 mm. |
|
204 A. wolungensis |
| + |
Stems, rachises, and peduncles covered with longer hairs 0.1-0.8 mm; leaflets without purple dots; standard and keel of equal length but distinctly longer than wings, if all of nearly same length, then standard ca. 11 mm |
|
(11) |
| |
|
|
|
| 11 (10) |
Leaflets very narrowly elliptic, 4-9 × 0.5-1.5 mm; standard ca. 7 × 9 mm, limb wider than long, transversely elliptic; style below stigma with a long line of minute hairlets; stems not prostrate, not rooting at nodes. |
|
199 A. sciadophorus |
| + |
Leaflets elliptic, less than 2 × as long as wide, glabrous adaxially; standard with limb always distinctly longer than wide; style below stigma glabrous; stems prostrate, often rooting at nodes |
|
(12) |
| |
|
|
|
| 12 (11) |
Leaflets with a hairy petiolule 0.5-1 mm, glabrous abaxially or with scattered hairs only; peduncle glabrous; legumes glabrous, with a beak 9-10 mm; stems not rooting at nodes. |
|
198 A. nokoensis |
| + |
Leaflets without a hairy petiolule, sparsely hairy abaxially; peduncle sparsely hairy; legumes mostly hairy, at least when young, with a shorter beak; stems rooting at nodes. |
|
200 A. sinicus |
|
