| Family | CARYOPHYLLACEAE |
| Genus species | Arenaria bisulca (Bartl.) Fenzl ex Rohrb. |
| Bibliography | Linnaea 37: 248 (1872) |
| Native Range | Peru to nw. Argentina |
| Primary Biome | Subalpine |
| Habitat | grassland and rocks |
| Altitude | 1000-2500m |
| Description | leaves lanceolate, mucronate, shiny, shortly ciliate, subamplexicaule, calyx coriaceous, shiny, sepals lanceolate, glabrous, petals linear-oblong, retuse |
| Size | 3-7cm |
| 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 |
| Synonyms | Cherleria bisulca Bartl. |
| Territory | 8 Southern America 83 Western South America (PER Peru) 85 Southern South America (AGW Argentina Northwest) |