| Family | PLANTAGINACEAE |
| Genus species | Penstemon lyallii (A.Gray) A.Gray sect. Erianthera |
| Synonyms | Penstemon linearifolius J.M.Coult. & Fisher |
| Habitat | rocks and scree |
| Altitude | 600-2400m |
| Description | basally glabrous, inflorescence glandular-hirsute, leaves on stem, narrow, elongate, 3-13cm, inflorescence more or less paniculate, pedicels often 2-flowered, flowers 4cm |
| Size | 25-80cm |
| Color | purple |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| 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
Western Canada (Alberta , British Columbia ) Northwestern U.S.A. (Idaho , Montana , Washington) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | PLANTAGINACEAE
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