| Family | PLANTAGINACEAE |
| Genus species | Penstemon diphyllus Rydb. sect. Saccanthera |
| Bibliography | Mem. New York Bot. Gard. 1: 349 (1900) |
| Native Range | ne. Idaho to w. Montana and se. Washington |
| Primary Biome | Temperate |
| Habitat | rocks and scree |
| Altitude | 1000-2300m |
| Description | stems ramose, minutely strigose, leaves 3-5cm, the lower petiolate, the upper sessile, lanceolate, acute, calyx glandular pubescent, corolla infundibuliform |
| Size | 10-80cm |
| Color | blue, 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 triphyllus ssp. diphyllus (Rydb.) D.D.Keck |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, WAS Washington) |