| Family | PLANTAGINACEAE |
| Genus species | Penstemon sileri (A.Gray) P.M.Sl. sect. Caespitosi |
| Bibliography | h.l., comb. nov. |
| Native Range | n. Arizona to s. Nevada and sw. Utah |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Altitude | 1200-2400m |
| Description | grey minutely pubescent, stems densely leafy, leaves oblanceolate-linear, glabrous, 8-26cm, inflorescence racemose, peduncles 1-flowered, corolla 16-20mm |
| Size | 8-40cm |
| Color | blue |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
| Synonyms | Penstemon linarioides var. sileri A.Gray, Syn. Fl. N. Amer. 2(1): 270 (1878) Penstemon linarioides ssp. sileri (A-Gray) D.D.Keck Penstemon linarioides var. viridis D.D.Keck |
| Territory | 7 Northern America 76 Southwestern U.S.A. (ARI Arizona, NEV Nevada, UTA Utah) |