| Family | OXALIDACEAE |
| Genus species | Oxalis petrophila R.Knuth |
| Bibliography | Notizbl. Bot. Gart. Berlin-Dahlem 7: 300 (1919) |
| Native Range | Peru |
| Primary Biome | Montane Tropical |
| Habitat | rocks |
| Altitude | 2500-5000m |
| Description | yellow hirsute, stem leaves numerous, ternate, leaflets obcordate, emarginate, petiole 3cm, bracts linear, acute, sepals obtuse, sericeous, flowers solitary, to 2cm |
| Size | 10-15cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | 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 in early spring and fall; cuttings in late summer |
| Synonyms | Oxalis colquipatensis R.Knuth Oxalis longicalyculata R.Knuth |
| Territory | 8 Southern America 83 Western South America (PER Peru) |