| Family | GERANIACEAE |
| Genus species | Geranium trolliifolium Small |
| Bibliography | N. Amer. Fl. [N.L.Britton & al., eds.] 25: 14 (1907) |
| Native Range | ne. & sw. Mexico |
| Primary Biome | Subtropical |
| Habitat | steppes |
| Description | basal leaves in rosette, cordate, palmatifid, on both faces pilose, segments 5, the middle rhombic, flowers of 2-6, crowded on apex of stems, petals 15-20mm |
| Size | 15-35cm |
| Color | purple |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, germ. 1 month, 10-16°C division in early spring and fall; cuttings in late summer |
| Synonyms | Geranium madrense M.E.Jones |
| Territory | 7 Northern America 79 Mexico (MXE Mexico Northeast, MXS Mexico Southwest) |