| Family | PLANTAGINACEAE |
| Genus species | Penstemon thurberi Torr. sect. Ambigui |
| Synonyms | Leiostemon thurberi (Torr.) Greene |
| Penstemon scoparius A.Nelson | |
| Habitat | rocky slopes |
| Altitude | 500-1200m |
| Description | stems glabrous, leaves 10-20 pairs, at base tapered, glabrous or on margins scabrous, acuminate to mucronate, thyrsus 15cm, corolla infundibuliform, 1-3cm, |
| Size | 20-40cm |
| Color | lavender, violet |
| Bloom | spring, summer |
| Ca | |
| Type | tuft |
| 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. (Arizona , California , Nevada , Utah ) South-Central U.S.A. (New Mexico , Texas ) Mexico (Mexico Northeast , Mexico Northwest) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | PLANTAGINACEAE
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