| Family | OXALIDACEAE |
| Genus species | Oxalis megalorrhiza Jacq. |
| Bibliography | Oxalis: 33 (1794) |
| Native Range | Peru to n. Chile |
| Primary Biome | Subtropical |
| Habitat | dry, stony grassland |
| Altitude | 0-3200m |
| Description | glabrous, rootstock thick, carnose, leaves long petiolate, leaflets glaucous, obcordate, retuse, shiny, flowers 2-5 in umbel, sepals broadly ovate, flowers 1-2cm |
| Size | 5-10cm |
| Color | yellow |
| Bloom | late spring, summer |
| Ca | |
| Type | tuberous perennial |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, germ. 1-3 months 18-21°C division of resting tubers |
| Synonyms | Acetosella megalorrhiza (Jacq.) Kuntze Acetosella ornata (Phil.) Kuntze Acetosella paposana (Phil.) Kuntze Acetosella reticulata (Steud.) Kuntze Acetosella rubrotincta (Lindl.) Kuntze Acetosella succulenta (Barnéoud) Kuntze Otoxalis rubricincta (Lindl.) Small Oxalis arborescens Perr. Oxalis bicolor Savigny Oxalis borchersii Phil. Oxalis carnosa var. incana Reiche Oxalis darapaskyi Phil. Oxalis illapelina Phil. Oxalis ornata Phil. Oxalis paniculata Reiche Oxalis paposana Phil. Oxalis paposana var. hirta R.Knuth Oxalis reticulata Steud. Oxalis rubrotincta Lindl. Oxalis solarensis Knuth Oxalis succulenta Barnéoud Oxalis tarapacana Phil. |
| Territory | 8 Southern America 83 Western South America (PER Peru) 85 Southern South America (CLN Chile North) |