Rock Garden Plants
Penstemon laevis Pennell sect. Glabri 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon laevis Pennell sect. Glabri
Habitatsagebrush wilding
Altitude1100-2000m
Descriptionglabrous, pale dully green, lower leaves ovate, to 15cm long, upper leaves shorter, inflorescence secund, spicate, cymes 3-8- flowered, flowers 23-35mm long, inside white
Size30-90cm
Colorbluish purple
Bloomsummer
Ca-
Typetuft
Cultivationsunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
Territory Northern America
     Southwestern U.S.A. (Arizona , Utah)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon laevis Pennell, Contr. U.S. Natl. Herb. 20: 347 (1920)

Arizona, Utah
76 ARI UTA

1100-2000m

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(c) 1990-2021 RNDr. Pavel Slabý