| Family | LINACEAE |
| Genus species | Linum rupestre Engelm. ex A.Gray |
| Bibliography | Boston J. Nat. Hist. 6: 232 (1850) |
| Native Range | sc. USA to Guatemala |
| Primary Biome | Subtropical |
| Habitat | rocks |
| Description | leaves remote, deciduous, linear to subulate, 3-10mm, flowers solitary, sepals lanceolate to elliptic, 3mm, long acuminate |
| Size | 20-40cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 16-21°C cuttings in late summer |
| Synonyms | Cathartolinum rupestre (Engelm. ex A.Gray) Small Cathartolinum wrightii Small Linum boottii var. rupestre A.Gray Linum rupestre var. cymosulum Engelm. Linum wrightii (Small) H.J.P.Winkl. |
| Territory | 7 Northern America 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 79 Mexico (MXC Mexico Central, MXE Mexico Northeast, MXG Mexico Gulf, MXS Mexico Southwest, MXT Mexico Southeast) 8 Southern America 80 Central America (GUA Guatemala) |