Rock Garden Plants
Penstemon radicosus A.Nelson sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon radicosus A.Nelson sect. Penstemon
SynonymsPenstemon lineolatus Greene
Habitatdry, rocky slopes
Altitude1500-2400m
Descriptionfinely pubescent, in inflorescence glandular, leaves only on stem, sessile, lanceolate-linear, 2-6cm long, inflorescence lax, verticillate, flowers 16-23mm long
Size15-40cm
Colorbluish purple
Bloomsummer
Ca
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed 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)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon radicosus A.Nelson, Bull. Torrey Bot. Club 25(5): 280 (1898)

Synonyms:
Penstemon lineolatus Greene

w. USA
73 COL IDA MNT WYO 76 NEV UTA

1500-2400m

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