| Family | PLANTAGINACEAE |
| Genus species | Penstemon oklahomensis Pennell sect. Penstemon |
| Bibliography | Monogr. Acad. Nat. Sci. Philadelphia 1: 237 (1935) |
| Native Range | ec. Oklahoma to ne. Texas |
| Primary Biome | Temperate |
| Habitat | steppes |
| Altitude | 200-300m |
| Description | stems glandular-pubescent, basal leaves obovate to lanceolate, denticulate, stem leaves subsessile, lanceolate to acute, thyrsus interrupted, flowers tubular, 2-3cm |
| Size | 15-55cm |
| Color | white, umber |
| Bloom | spring, early summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
| Territory | 7 Northern America 74 North-Central U.S.A. (OKL Oklahoma) 77 South-Central U.S.A. (TEX Texas) |