| Family | PLANTAGINACEAE |
| Genus species | Penstemon ambiguus Torr. sect. Ambigui |
| Bibliography | Ann. Lyceum Nat. Hist. New York 2: 228 (1827) |
| Native Range | w. & c. USA to ne. Mexico |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Altitude | 700-2100m |
| Description | stems glabrous, difusely ramose, leaves linear, mucronate, bracts subulate, floral pedicels opposite, 1-3-flowered, calyx glabrous, lobes ovate, shortly acuminate, corolla 2cm |
| Size | 20-60cm |
| Color | pinkish white, white |
| 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 | Leiostemon ambiguus (Torr.) Greene Penstemon ambiguus var. foliosus Benth. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado) 74 North-Central U.S.A. (KAN Kansas, NEB Nebraska, OKL Oklahoma) 76 Southwestern U.S.A. (ARI Arizona, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico, TEX Texas) 79 Mexico (MXE Mexico Northeast) |