| Family | APIACEAE |
| Genus species | Vesper macrorhizus (Buckley) R.L.Hartm. & G.L.Nesom |
| Bibliography | Phytoneuron 2012-94: 6 (2012) |
| Native Range | New Mexico to c. Texas |
| Primary Biome | Temperate |
| Habitat | steppes |
| Description | leaves in outline ovate-oblong, 2-7cm, bipinnate, ultimate segments crowded, obtuse, mucronate, bracts of involucre conspicuous, cuneate, at apex laciniate |
| Size | 5-20cm |
| Color | rose |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed when ripe or as soon as possible |
| Synonyms | Cymopterus macrorhizus Buckley Phellopterus macrorhizus (Buckley) J.M.Coult. & Rose |
| Territory | 7 Northern America 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) |