Family | PLANTAGINACEAE |
Genus species | Penstemon caesius A.Gray sect. Saccanthera |
Habitat | dry, rocky slopes |
Altitude | 2000-3100m |
Description | grey-green, basal leaves orbiculate, 1-2cm long, petiolate, upwards reduced, inflorescence lax, sparse, flowers 17-23mm long, inside glabrous |
Size | 15-30cm |
Color | bluish 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
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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