Family | PLANTAGINACEAE |
Genus species | Penstemon caespitosus Nutt. ex A.Gray sect. Caespitosi |
Habitat | rocky slopes |
Altitude | 1500-3700m |
Description | grey strigose, leaves 5-15mm, spathulate or oblanceolate, 5-15mm, flowers few in cluster, calyx strigose, corolla 15-20mm, tubular-infundibuliform, staminodium barbate |
Size | 2-10cm |
Color | blue, bluish violet |
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
Northwestern U.S.A. (Colorado , Wyoming ) Southwestern U.S.A. (Utah) |
Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
Comments | PLANTAGINACEAE
caespitosus desertipicti (A.Nelson) D.D.Keck, ibid.
caespitosus perbrevis Pennell, Contr. U.S. Natl. Herb. 20: 375 (1920)
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