| Family | FABACEAE |
| Genus species | Astragalus aduncus Willd. sect. Onobrychoidei |
| Bibliography | Sp. Pl., ed. 4. 3: 1269 (1803) |
| Native Range | w. Iran to c. & e. Turkey and Jordan |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Description | stipules connate, shortly triangular, leaflets appresed hirsute, 6-7 pairs, elliptic-linear to ovate, flowers in dense, spherical head, calyx lobes subulate |
| Size | 20-25cm |
| Color | purple |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 10-13°C cuttings in late summer |
| Synonyms | Astragalus aduncus ssp. chaborasicus (Boiss. & Hausskn.) Ponert Astragalus aduncus var. paucijugus Trautv. Astragalus bingoellensis Podlech Astragalus bithynicus Podlech & Sytin Astragalus chaborasicus Boiss. & Hausskn. Astragalus chaborasicus var. singarensis Eig Astragalus cumanus Willd. ex Steud. Astragalus expansus Boiss. Astragalus kadschoroides Ranjbar Astragalus kotschyanus var. medicagineus (Boiss.) Boiss. Astragalus medicagineus Boiss. Astragalus medicagineus ssp. expansus (Boiss.) Eig Astragalus medicagineus var. paucijugus Eig Astragalus onobrychis var. aduncus (Willd.) Ledeb. Astragalus onobrychis var. orientalis DC. Astragalus pseudovegetus Podlech & Ekici Astragalus tunceliensis Podlech & Ekici Astragalus xylobasis Freyn & Bornm. Astragalus xylobasis var. angustissimum Bornm. Astragalus xylobasis var. angustus (Freyn & Sint.) Freyn & Bornm. Astragalus xylobasis f. angustus (Freyn & Sint.) Ponert Astragalus xylorrhizus Freyn & Sint. Astragalus xylorrhizus var. angustus Freyn & Sint. Astragalus zemeraniensis Eig Astragalus zemeraniensis ssp. muslemiensis Eig Astragalus zemeraniensis ssp. petraensis Eig Macrosema aduncum (Willd.) Steven Tragacantha adunca (Willd.) Kuntze Tragacantha expansa (Boiss.) Kuntze Tragacantha medicaginea (Boiss.) Kuntze |
| Territory | 3 Asia-Temperate 34 Western Asia (IRN Iran, IRQ Iraq, LBS Lebanon-Syria, PAL Palestine, TUR Turkey) |