| Family | CARYOPHYLLACEAE |
| Genus species | Arenaria catamarcensis Pax |
| Bibliography | Bot. Jahrb. Syst. 18: 29 (1893) |
| Native Range | Bolivia to nw. Argentina |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 800-3500m |
| Description | stems ramose, scabrously hirsute, leaves linear, acuminate, glaucous, densely ciliate, thick, flowers large, solitary, sepals lanceolate, petals obovate, obtuse |
| Size | 5-8cm |
| Color | white |
| 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, barely covered, germ. 1-3 months, 13-18°C division in early spring; cuttings in late summer |
| Territory | 8 Southern America 83 Western South America (BOL Bolivia) 85 Southern South America (AGW Argentina Northwest) |