| Family | FABACEAE |
| Genus species | Astragalus arnottianus (Gillies ex Hook. & Arn.) Macloskie trib. Galegeae |
| Bibliography | Rep. Princeton Univ. Exped. Patagonia, Botany 8: 504 (1905) |
| Native Range | nw. Argentina to c. Chile |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 2000-4500m |
| Description | leaves 3-6cm, leaflets 9-19 pairs, narrowly elliptic, setose, flowers 3-8, axillary, pedicellate, 8-12mm long, pod very ventricose, papery, red variegate |
| Size | 1-5cm |
| Color | bluish violet |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | scarified seed in spring, germ. 1-3 months, 10-13°C cuttings in late summer |
| Synonyms | Astragalus gilliesii Phil. Astragalus nanus (Phil.) Reiche Astragalus nubigenus var. arnottianus (Gillies ex Hook. & Arn.) Meyen ex Reiche Astragalus philippii Speg. Astragalus reedi (Phil.) Hauman Phaca arnottiana Gillies ex Hook. Phaca nana Phil. Phaca reedi Phil. Phaca uspallatensis Phil. Tragacantha arnottiana (Gillies ex Hook. & Arn.) Kuntze Tragacantha gilliesii (Phil.) Kuntze Tragacantha reedii (Phil.) Kuntze Tragacantha uspallatensis (Phil.) Kuntze |
| Territory | 8 Southern America 85 Southern South America (AGW Argentina Northwest, CLC Chile Central) |