| Family | PLANTAGINACEAE |
| Genus species | Penstemon rydbergii A.Nelson sect. Penstemon |
| Bibliography | Bull. Torrey Bot. Club 25: 281 (1898) |
| Native Range | wc. USA |
| Primary Biome | Subalpine |
| Habitat | grassland |
| Altitude | 1900-3300m |
| Description | glabrous, leaves entire, basal leaves petiolate, oblanceolate or narrowly elliptic, in rosette, inflorescence verticillate, flowers horizontal, 10-15mm long |
| Size | 20-70cm |
| Color | bluish purple |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | humous, moist, but in winter drier, semi-shady site alpine house, moist, humous soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C division in spring; cuttings in late summer |
| Synonyms | Penstemon attenuatus var. varians A.Nelson Penstemon erosus Rydb. Penstemon lacerellus Greene Penstemon latiusculus Greene Penstemon productus Greene Penstemon rydbergii ssp. typicus D.D.Keck Penstemon rydbergii var. varians (A.Nelson) Cronquist |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, WYO Wyoming) 76 Southwestern U.S.A. (UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |