| Family | APIACEAE |
| Genus species | Cymopterus hallii (A.Gray) B.L.Turner |
| Synonyms | Sesseli hallii A.Gray |
| Aletes obovata Rydb. | |
| Deweya acaulis Torr. | |
| Habitat | rocks |
| Altitude | 1000-2300m |
| Description | leaves in outline oblong, 2-3-pinnatisect, ultimate segments linear to ovate, acute, rays of umbel 5-30mm, rigid, involucre absent, involucel bracts membranous, triangular |
| Size | 5-30cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | tuft |
| Cultivation | sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed when ripe or as soon as possible |
| Territory |
Northern America
Northwestern U.S.A. (Colorado ) South-Central U.S.A. (New Mexico , Texas ) Mexico (Mexico Northeast) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | APIACEAE
|