| Family | PLANTAGINACEAE |
| Genus species | Penstemon davidsonii Greene sect. Erianthera |
| Bibliography | Pittonia 2: 241 (1892) |
| Native Range | w. Canada to w. USA |
| Primary Biome | Temperate |
| Habitat | rocks |
| Altitude | 900-3700m |
| Description | adpressed pubescent, leaves ovate, glabrous, shortly petiolate, inflorescence compact, few flowered raceme, flowers 20-36mm long, outside glabrous |
| Size | 5-10cm |
| Color | reddish violet |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
| Synonyms | Penstemon menziesii f. davidsonii (Greene) G.N.Jones Penstemon menziesii ssp. davidsonii (Greene) Piper Penstemon menziesii ssp. thompsonii Pennell & D.D.Keck |
| Territory | 7 Northern America 71 Western Canada (BRC British Columbia) 73 Northwestern U.S.A. (ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |