| Family | APIACEAE |
| Genus species | Vesper bulbosus (A.Nelson) R.L.Hartm. & G.L.Nesom |
| Bibliography | Phytoneuron 2012-94: 4 (2012) |
| Native Range | w. & sc. USA |
| Primary Biome | Temperate |
| Habitat | steppes |
| Altitude | 500-2000m |
| Description | acaulescent, leaves in outline ovate-oblong, bi- or tripinnate, ultimate segments lanceolate, bracts of involucre conspicuous, connate, whitish, 1-3-veined |
| Size | 5-35cm |
| Color | purple |
| Bloom | spring |
| Ca | |
| Type | tuberous perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed when ripe or as soon as possible division of resting tubers |
| Synonyms | Cymopterus bulbosus A.Nelson Cymopterus utahensis M.E.Jones Phellopterus bulbosus (A.Nelson) J.M.Coult. & Rose Phellopterus camporum Rydb. Phellopterus utahensis (M.E.Jones) Wooton & Standl. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, WYO Wyoming) 76 Southwestern U.S.A. (ARI Arizona, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) |