| Family | OXALIDACEAE |
| Genus species | Oxalis trollii R.Knuth |
| Bibliography | Repert. Spec. Nov. Regni Veg. 29: 218 (1931) |
| Native Range | Bolivia to nw. Argentina |
| Primary Biome | Montane Tropical |
| Habitat | rocky slopes |
| Altitude | 2000-4500m |
| Description | leaves ternate, leaflets subglabrous, sparsely long ciliate, broadly obcordate, petioles thin, glabrous, flowers solitary, sepals 6-7mm, oblong-linear, obtuse, corolla 20mm |
| Size | 6-10cm |
| Color | lila |
| Bloom | summer |
| Ca | |
| Type | tuberous perennial |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, germ. 1-3 months 18-21°C division of resting tubers |
| Synonyms | Oxalis elegans var. subuniflora Griseb. Oxalis elegantula R.Knuth Oxalis pinguiculiflora R.Knuth |
| Territory | 8 Southern America 83 Western South America (BOL Bolivia) 85 Southern South America (AGW Argentina Northwest) |