| Family | FABACEAE |
| Genus species | Astragalus bustillosii Clos |
| Bibliography | Fl. Chil. [C.Gay] 2: 117 (1847) |
| Native Range | nw. Argentina to n. Chile |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 3000-4000m |
| Description | pubescent, leaves 2cm, petiolate, leaflets 4-6, remote, oblong-linear, 3mm long, stipules large, membranous, flowers axillary at apex of stems, pod ovoid, ca. 1cm long |
| Size | 2-6cm |
| Color | white, blue |
| 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 atacamensis (Phil.) R.E.Fr. Astragalus brachycalyx Phil. Astragalus depauperatus (Phil.) Reiche Astragalus tarapacanus Speg. Astragalus vasticola I.M.Johnst. Phaca atacamensis Phil. Phaca depauperata Phil. Tragacantha atacamensis (Phil.) Kuntze Tragacantha brachycalyx (Phil.) Kuntze Tragacantha bustillosii (Clos) Kuntze |
| Territory | 8 Southern America 85 Southern South America (AGW Argentina Northwest, CLN Chile North) |