Onobrychis garinensis, Dehshiri, 2019

Dehshiri, Mohammad Mehdi, 2019, Onobrychis garinensis (Hedysareae, Fabaceae), a new species from Iran, Phytotaxa 397 (3), pp. 237-245 : 238

Key to Onobrychis garinensis and similar species in Iran

1. Plants with wing petals 3–5 mm long.............................................................................................................rest of sect. Onobrychis

- Plants with wing petals 5.5–11.0 mm long......................................................................2 (Sect. Onobrychis subsect. Macropterae )

2. Corolla milky yellowish.....................................................................................................................................................................3

- Corolla red, pink, purple or violet......................................................................................................................................................4

3. Corolla 9 mm long; pod crescent-shaped; pod teeth 0.5–1.5 mm long.......................................................................... O. garinensis

- Corolla 14 mm long; pod semi-ovoid; pod teeth 0.2–0.5 mm long ............................................................................. O. alamutensis

4. Adaxial surface of leaflets glabrous...................................................................................................................................................5

- Adaxial surface of leaflets with sparse hairs......................................................................................................................................7

5. Calyx 6.8–7.0 mm long, slightly shorter than wing ................................................................................................... O. mucronifolia

- Calyx 3–5 mm long, nearly half as long as wing...............................................................................................................................6

6. Plant height 0.1–0.25 m; flower colour purplish; keel as long as wing ............................................................................. O. araxina

- Plant height 0.25–0.6 m; flower colour rose-pink; keel longer than wing ..................................................................... O. sosnovskyi

7. Standard 11–14 mm long; wing 9–11 mm long; pod 11–14 mm long ....................................................................... O. farimanensis

- Standard 7–11 mm long; wing 5.5–8.0 mm long; pod 4–8 mm long.................................................................................................8

8. Plant densely covered by spreading hairs 0.3–0.7 mm long ................................................................................................. O. patula

- Plant loosely to densely covered by appressed hairs 0.2–0.3 mm long.............................................................................................9

9. Pods glabrous; bracts 1.0– 1.5 mm long ................................................................................................................................. O. assadi

- Pods densely covered by appressed white hairs; bracts 2.0– 4.8 mm long.......................................................................................10

10. Plant suffrutescent; calyx teeth subulate, 1.0–1.8 times as long as tube .................................................................... O. ptychophylla

- Plants perennial herbs; calyx teeth linear-subulate, 2–4 times as long as tube................................................................................11

11. Leaflets obtuse, distinctly mucronate at the apex; calyx teeth 3–4 times as long as tube; pod with 2–3 mm long prickles on disc and crest.......................................................................................................................................................................... O. gontscharowii

- Leaflets acute or obtuse, not distinctly mucronate at the apex; calyx teeth 2–3 times as long as tube; pod without or with very short prickles on disc and crest........................................................................................................................................................ O. verae