| Family | ROSACEAE |
| Genus species | Geum macranthum (Kearney ex Rydb.) B.Boivin |
| Bibliography | Naturaliste Canad. 94: 631 (1967) |
| Native Range | British Columbia |
| Primary Biome | Temperate |
| Habitat | rocks |
| Altitude | 500-1000m |
| Description | basal leaves interrupted lyrate-pinnate, terminal segment largest, stem leaves bracteate, trifid, flowers solitary, erect, sepals 7-12mm, petals suborbiculate, 14-6mm |
| Size | 13-30cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C division in early spring |
| Synonyms | Acomastylis x macrantha (Kearney ex Rydb.) F.Bolle Geum schofieldii Calder & Roy L.Taylor Parageum x macranthum (Kearney ex. Rydb.) Hara Sieversia x macrantha Kearney ex Rydb. |
| Territory | 7 Northern America 71 Western Canada (BRC British Columbia) |