Astragalus (sect. Hymenostegis)
Creators: name: Firat, Mehmet
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Fabales
Fabaceae
Astragalus

description: Revised diagnostic key for Astragalus sect. Hymenostegis in Türkiye (based on Karaman Erkul et al. 2016)
1. Petals yellow or dirty cream to pale yellow ....................................................................................................................................... 2
2. Racemes bicolored, pink or mauve (distal part of raceme), dirty cream to pale yellow (basal part of raceme) ............. A. miksensis
2. Racemes unicolored, yellow............................................................................................................................................................... 3
3. Stipules hairy ...................................................................................................................................................................................... 4
4. Stipules 13–17 mm; leaves (1.5–) 3–8 cm; peduncles 1–4 cm .................................................................................... A. velenovskyi
4. Stipules 30–35 mm; leaves 9–20 cm; peduncles 24–28 cm ........................................................................................ A. narmanicus
3. Stipules glabrous or ciliate ................................................................................................................................................................. 5
5. Peduncle hairs ascending-spreading................................................................................................................................................... 6
6. Bracts deciduous; rachis hairs adpressed to subadpressed with some sparsely ascending hairs............................... A. gueruenensis
6. Bracts persistent; rachis ascending-spreading hairy...................................................................................................... A. sosnowskyi
5. Peduncle hairs adpressed to subadpressed .................................................................................................................... A. lagopoides
1. Petals pink-purple or red-purple......................................................................................................................................................... 6
6. Inflorescence lax.................................................................................................................................................................................7
7. Racemes ovoid.................................................................................................................................................................................... 8
8. Peduncle mostly longer than the leaves............................................................................................................................... A. zohrabi
8. Peduncle shorter than the leaves...................................................................................................................................... A. miksensis
7. Racemes cylindrical............................................................................................................................................................................ 9
9. Peduncle with adpressed to subadpressed hairs ........................................................................................................ A. rubrostriatus
9. Peduncle with crisped white hairs ................................................................................................................................ A. nordizensis
6. Inflorescence dense .......................................................................................................................................................................... 10
10. Rachis hairs adpressed to subadpressed with some sparsely ascending hairs.................................................................................. 11
11. Standard angular-hastate.......................................................................................................................................... A. uraniolimneus
11. Standard not angular-hastate ............................................................................................................................................................ 12
12. Standard glabrous .............................................................................................................................................................. A. ciloensis
12. Standard hairy................................................................................................................................................................. A. qoturensis
10. Rachis hairs ascending-spreading..................................................................................................................................................... 13
13. Stipules hyaline-membranous; peduncle longer than the leaves or equal........................................................................................ 14
14. Stipules with dense, netlike nerves in the lower part; legume 7–9 mm long .......................................................... A. uraniolimneus
14. Stipules without dense, netlike nerves in the lower part; legume 4–6 mm long....................................................... A. hymenocystis
13. Stipule papery; peduncle shorter than the leaves ............................................................................................................ A. hirticalyx
15. Leaflets 1–3 pairs, upper side glabrous, lower side sparsely hairy; stipules hairy..................................................... A. trifoliastrum
15. Leaflets 4–6 pairs, both sides dense hairy; stipulse glabrous........................................................................................ A. lagopoides
description: Published as part of Firat, Mehmet, 2024, Astragalus miksensis Fırat (Fabaceae), a new species in section Hymenostegis from Van province, Türkiye, pp. 149-160 in Phytotaxa 641 (2) on page 159, DOI: 10.11646/phytotaxa.641.2.6, http://zenodo.org/record/13213876