| Family | PLANTAGINACEAE |
| Genus species | Penstemon filiformis (D.D.Keck) D.D.Keck sect. Saccanthera |
| Habitat | dry, stony grassland |
| Altitude | 400-600m |
| Description | except of inflorescence glabrous, bright green, leaves filiform, firmly revolute, 2-7cm long, flowers in upright racemose thyrsus, usually solitary, pedicellate, 14-18mm |
| Size | 20-50cm |
| Color | dark blue |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| 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 |
Northern America
Southwestern U.S.A. (California) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | PLANTAGINACEAE
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