Family | PLANTAGINACEAE |
Genus species | Penstemon radicosus A.Nelson sect. Penstemon |
Synonyms | Penstemon lineolatus Greene |
Habitat | dry, rocky slopes |
Altitude | 1500-2400m |
Description | finely pubescent, in inflorescence glandular, leaves only on stem, sessile, lanceolate-linear, 2-6cm long, inflorescence lax, verticillate, flowers 16-23mm long |
Size | 15-40cm |
Color | bluish purple |
Bloom | 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
Northwestern U.S.A. (Colorado , Idaho , Montana , Wyoming ) Southwestern U.S.A. (Nevada , Utah) |
Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
Comments | PLANTAGINACEAE
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