Family | PLANTAGINACEAE |
Genus species | Penstemon crandallii A.Nelson sect. Caespitosi |
Synonyms | Penstemon suffrutescens Rydb. |
Habitat | rocky slopes |
Altitude | 1700-3400m |
Description | leaves narrowly oblanceolate to narrowly obovate, 10-28mm long, entire, usually glabrous, corolla 14-20mm long, tubular, with longer lower lip |
Size | 5-25cm |
Color | blue |
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 ) Southwestern U.S.A. (Utah ) South-Central U.S.A. |
Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
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Comments | PLANTAGINACEAE
crandallii atratus D.D.Keck, ibid.
crandallii glabrescens (Pennell) D.D.Keck, ibid.
crandallii procumbens (Greene) D.D.Keck, ibid.
crandallii ramaleyi (A.Nelson) C.C.Freeman, PhytoKeys 80: 35 (2017)
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