| Family | RANUNCULACEAE |
| Genus species | Delphinium nudicaule Torr. & A.Gray |
| Bibliography | Fl. N. Amer. 1: 33 (1838) |
| Native Range | sw. Oregon to California |
| Primary Biome | Temperate |
| Habitat | rocks and scree |
| Altitude | 0-2600m |
| Description | leaves 3-10cm, 3-5-lobate, middle segment broadly cuneate, obovate, lateral segments orbiculate, glabrous, raceme few flowered, sepals ovate, upper petals yellow |
| Size | 20-50cm |
| Color | orange, red, yellow |
| Bloom | early spring |
| Ca | |
| Type | tuberous perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 10-13°C division of resting tubers |
| Synonyms | Delphinastrum nudicaule (Torr. & A.Gray) Nieuwl. Delphinium armeniacum A.Heller Delphinium decorum var. nudicaule (Torr. & A.Gray) Huth Delphinium nudicaule var. elatium J.W.Thomps. Delphinium nudicaule f. elatius (J.W.Thomps.) Ewan Delphinium nudicaule var. foliosum Torr. Delphinium sarcophyllum Hook. & Arn. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California) |