Hedysarum, Linnaeus, 1753

Juramurodov, Inom, Tojibaev, Komiljon, Nikitina, Elena, Makhmudjanov, Dilmurod, Yusupov, Ziyoviddin, Deng, Tao & Dehkanov, Davron, 2021, Hedysarum sunhangii (Fabaceae, Hedysareae), a new species from Pamir-Alay (Babatag Ridge - Uzbekistan), Phytotaxa 524 (1), pp. 1-13 : 9

Key to species in Hedysarum sect. Multicaulia subsect. Crinifera in Uzbekistan

1a. Stems rather undeveloped; stems 2.5–3 cm, rarely reaching 5 cm; leaflets 1–3 pairs, ovate-lanceolate, ovate-elliptic to lanceolate, wings 4–5 mm long, ....................................................................................................................................................... H. johartchii

1b. Stems rather developed; leaflets 3 to 9 pairs .....................................................................................................................................2

2a. Leaflets (2–)3–4 pairs; wings longer than half of the keel .......................................................................................... H. sauzakense

2b. Leaflets up to 9 pairs; wings short or equal to half of the keel .........................................................................................................3

3a. Pods glabrous......................................................................................................................................................................................4

3b. Pods pubescent ..................................................................................................................................................................................5

4a. Calyx (-5‒6) 7‒10 mm long; leaflets 4‒5(–6) pairs, 15–30 mm long, 5–15 mm wide; peduncles 15‒31 cm long..... H. kopetdaghi

4b. Calyx longer than 10 mm; leaflets 7–8 pairs, (7–) 10–17 mm long, 4–7 mm wide; peduncles 20–28 cm long.................................. ......................................................................................................................................................................... H. longepedunculatum

5a. Keel shorter than standard ..................................................................................................................................................................6

5b. Keel longer than standard...................................................................................................................................................................7

6a. Calyx 5–7 mm long; leaflets 4–8 pairs, 8–28 mm long, 1.5–4 wide......................................................................... H. wrightianum

6b. Calyx 10–13 mm long; leaflets 4–5 pairs, 15–20 mm long, 6–8 mm wide .................................................................. H. nuratense

7a. Calyx 5–8 mm long; bract 3 mm long, bracteoles 2.5–3 mm long; corolla 10–12 mm; pod joints 9–13 mm long ... H. bucharicum

7b. Calyx up to 13 mm long; corolla more than 13 mm long; pod joints up to 8 mm long ................................................................... 8

8a. Plant 40–60 cm; leaflets 4–5–6 pairs, 10–30 mm long, 3–5 mm wide; corolla 15–17 mm long, wings 6‒7 mm long, bract 8‒9.5 mm long, bracteoles 3 mm long, pod joints 6 mm long.............................................................................................. H. macranthum

8b. Plant less than 40 cm ..........................................................................................................................................................................9

9a. Plant 10–21 cm; leaflets 6–9 pairs, 7–15 mm long, 2–4 mm wide; bract 2.5‒5 mm long, bracteoles 1‒ 1.5 mm long; corolla 13–18 mm long, wings 6–9 mm long; pod joints 6-8 mm long ............................................................................................... H. criniferum

9b. Plant 25–40 cm; leaflets 3–4 pairs, 16–30 mm long, 12–20 mm wide; corolla 13–16 mm long, wings 4–5 mm long; bracts 4.5–5.5 mm long, bracteoles 1.2–1.7 mm long; pod joints 5–7 mm long ................................................................................... H. sunhangii