| Family | PLANTAGINACEAE |
| Genus species | Penstemon xylus A.Nelson sect. Caespitosi |
| Synonyms | Penstemon tusharensis N.H.Holmgr. |
| Habitat | rocky slopes |
| Altitude | 2100-3100m |
| Description | leaves whitish, hirsute, 6-16mm long, 3-4,5mm wide, obovate to spathulate, flowers 12-18mm, inflorescence few flowered, secund thyrsus, staminodium yellow |
| Size | 5-10cm |
| Color | dark bluish purple |
| Bloom | summer |
| Ca | |
| Type | subshrub, carpet |
| Cultivation | sunny, dry, 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 |
| Territory |
Northern America
Southwestern U.S.A. (Utah) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | PLANTAGINACEAE
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